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	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Pont_Sarn_Wyth-d%C5%B5r</id>
	<title>Pont Sarn Wyth-dŵr - Hanes golygu</title>
	<link rel="self" type="application/atom+xml" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Pont_Sarn_Wyth-d%C5%B5r"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;action=history"/>
	<updated>2026-05-06T15:30:06Z</updated>
	<subtitle>Hanes diwygio&#039;r dudalen hon ar y wici</subtitle>
	<generator>MediaWiki 1.43.1</generator>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=12628&amp;oldid=prev</id>
		<title>Cyfaill Eben am 15:47, 14 Ionawr 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=12628&amp;oldid=prev"/>
		<updated>2022-01-14T15:47:40Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 16:47, 14 Ionawr 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. Roedd yn croesi ar draws &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;yr &lt;/del&gt;[[Afon Llyfnwy]] a oedd yn ffin rhwng plwyfi [[Llandwrog]] a [[Llanllyfni]]. Fe&#039;i hail-adeiladwyd ym 1837-8 i gynllun gan John Lloyd, syrfewr y sir gan Lewis Williams, saer maen, ar &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;y &lt;/del&gt;gost o £163. Roedd iddi un prif fwa a saith o sianeli neu gwlfertau llai.&amp;lt;ref&amp;gt;Archifdy Gwynedd, XPlansB/98&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. Roedd yn croesi ar draws [[Afon Llyfnwy]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;a oedd yn ffin rhwng plwyfi [[Llandwrog]] a [[Llanllyfni]]. Fe&#039;i hail-adeiladwyd ym 1837-8 i gynllun gan John Lloyd, syrfewr y sir&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;gan Lewis Williams, saer maen, ar gost o £163. Roedd iddi un prif fwa a saith o sianeli neu gwlfertau llai.&amp;lt;ref&amp;gt;Archifdy Gwynedd, XPlansB/98&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ail&lt;/del&gt;-adeiladwyd &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;hi etio &lt;/del&gt;ym 1855 , mewn ymateb efallai i lythyr a anfonwyd ym mis Mehefin 1855 gan Owen Jones, un o swyddogion y sir, at yr [[Arglwydd Newborough]], Cadeirydd y Llys Chwarter, gan ddweud fod yna fawr o ffyrdd a gynhelid gan y plwyfi nad oedd â phont neu gwlfert dros &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pob &lt;/del&gt;un nant, ond bod angen 5 pont sylweddol rhwng [[Pen-y-groes]] a [[Rhyd-ddu]].&amp;lt;ref&amp;gt;Archifdy Gwynedd, XD2/24838.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;i hail&lt;/ins&gt;-adeiladwyd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;drachefn &lt;/ins&gt;ym 1855, mewn ymateb efallai i lythyr a anfonwyd ym mis Mehefin 1855 gan Owen Jones, un o swyddogion y sir, at yr [[Arglwydd Newborough]], Cadeirydd y Llys Chwarter, gan ddweud fod yna fawr o ffyrdd a gynhelid gan y plwyfi nad oedd â phont neu gwlfert dros &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;bob &lt;/ins&gt;un nant, ond bod angen 5 pont sylweddol rhwng [[Pen-y-groes]] a [[Rhyd-ddu]].&amp;lt;ref&amp;gt;Archifdy Gwynedd, XD2/24838.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Roedd un prif fwa a saith sianel lai gan y bont hon Defnyddiodd yr ymgymerwr &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;wâst &lt;/del&gt;o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Roedd un prif fwa a saith sianel lai gan y bont hon&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. &lt;/ins&gt;Defnyddiodd yr ymgymerwr &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;wastraff &lt;/ins&gt;o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe elwir y bont weithiau ar fapiau&amp;#039;n &amp;#039;&amp;#039;Bont Wythdir&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir (gol. 1af, 1888).&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe elwir y bont weithiau ar fapiau&amp;#039;n &amp;#039;&amp;#039;Bont Wythdir&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir (gol. 1af, 1888).&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Cyfaill Eben</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=6249&amp;oldid=prev</id>
		<title>Irion am 09:37, 13 Mehefin 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=6249&amp;oldid=prev"/>
		<updated>2019-06-13T09:37:53Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 10:37, 13 Mehefin 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fe ail-adeiladwyd hi ym 1855 &lt;/del&gt;ar draws yr [[Afon Llyfnwy]], mewn ymateb efallai i lythyr a anfonwyd ym mis Mehefin &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1855gan &lt;/del&gt;Owen Jones, un o swyddogion y sir, at yr [[Arglwydd Newborough]], Cadeirydd y Llys Chwarter, gan ddweud fod yna fawr o ffyrdd a gynhelid gan y plwyfi nad oedd â phont neu gwlfert dros pob un nant, ond bod angen 5 pont sylweddol rhwng [[Pen-y-groes]] a [[Rhyd-ddu]].&amp;lt;ref&amp;gt;Archifdy Gwynedd, XD2/24838.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Roedd yn croesi &lt;/ins&gt;ar draws yr [[Afon Llyfnwy]] &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a oedd yn ffin rhwng plwyfi [[Llandwrog]] a [[Llanllyfni]]. Fe&#039;i hail-adeiladwyd ym 1837-8 i gynllun gan John Lloyd, syrfewr y sir gan Lewis Williams, saer maen, ar y gost o £163. Roedd iddi un prif fwa a saith o sianeli neu gwlfertau llai.&amp;lt;ref&amp;gt;Archifdy Gwynedd, XPlansB/98&amp;lt;/ref&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fe ail-adeiladwyd hi etio ym 1855 &lt;/ins&gt;, mewn ymateb efallai i lythyr a anfonwyd ym mis Mehefin &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1855 gan &lt;/ins&gt;Owen Jones, un o swyddogion y sir, at yr [[Arglwydd Newborough]], Cadeirydd y Llys Chwarter, gan ddweud fod yna fawr o ffyrdd a gynhelid gan y plwyfi nad oedd â phont neu gwlfert dros pob un nant, ond bod angen 5 pont sylweddol rhwng [[Pen-y-groes]] a [[Rhyd-ddu]].&amp;lt;ref&amp;gt;Archifdy Gwynedd, XD2/24838.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Roedd un prif fwa a saith sianel lai gan y bont hon Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Roedd un prif fwa a saith sianel lai gan y bont hon Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5191&amp;oldid=prev</id>
		<title>Irion am 16:52, 6 Chwefror 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5191&amp;oldid=prev"/>
		<updated>2019-02-06T16:52:46Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 17:52, 6 Chwefror 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &amp;#039;&amp;#039;&amp;#039;Pont Sarn Wyth-dŵr&amp;#039;&amp;#039;&amp;#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&amp;#039;r hen ffordd trwy&amp;#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&amp;#039;rallt|Dan&amp;#039;rallt]]. Fe ail-adeiladwyd hi ym 1855 ar draws yr [[Afon Llyfnwy]], mewn ymateb efallai i lythyr a anfonwyd ym mis Mehefin 1855gan Owen Jones, un o swyddogion y sir, at yr [[Arglwydd Newborough]], Cadeirydd y Llys Chwarter, gan ddweud fod yna fawr o ffyrdd a gynhelid gan y plwyfi nad oedd â phont neu gwlfert dros pob un nant, ond bod angen 5 pont sylweddol rhwng [[Pen-y-groes]] a [[Rhyd-ddu]].&amp;lt;ref&amp;gt;Archifdy Gwynedd, XD2/24838.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &amp;#039;&amp;#039;&amp;#039;Pont Sarn Wyth-dŵr&amp;#039;&amp;#039;&amp;#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&amp;#039;r hen ffordd trwy&amp;#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&amp;#039;rallt|Dan&amp;#039;rallt]]. Fe ail-adeiladwyd hi ym 1855 ar draws yr [[Afon Llyfnwy]], mewn ymateb efallai i lythyr a anfonwyd ym mis Mehefin 1855gan Owen Jones, un o swyddogion y sir, at yr [[Arglwydd Newborough]], Cadeirydd y Llys Chwarter, gan ddweud fod yna fawr o ffyrdd a gynhelid gan y plwyfi nad oedd â phont neu gwlfert dros pob un nant, ond bod angen 5 pont sylweddol rhwng [[Pen-y-groes]] a [[Rhyd-ddu]].&amp;lt;ref&amp;gt;Archifdy Gwynedd, XD2/24838.&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;Roedd un prif fwa a saith sianel lai&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. &lt;/del&gt;Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Roedd un prif fwa a saith sianel lai &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gan y bont hon &lt;/ins&gt;Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe elwir y bont weithiau ar fapiau&amp;#039;n &amp;#039;&amp;#039;Bont Wythdir&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir (gol. 1af, 1888).&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe elwir y bont weithiau ar fapiau&amp;#039;n &amp;#039;&amp;#039;Bont Wythdir&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir (gol. 1af, 1888).&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5190&amp;oldid=prev</id>
		<title>Irion am 16:52, 6 Chwefror 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5190&amp;oldid=prev"/>
		<updated>2019-02-06T16:52:16Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 17:52, 6 Chwefror 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. Fe ail-adeiladwyd hi ym 1855 ar draws yr [[Afon Llyfnwy]], mewn ymateb efallai i lythyr  Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. Fe ail-adeiladwyd hi ym 1855 ar draws yr [[Afon Llyfnwy]], mewn ymateb efallai i lythyr &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a anfonwyd ym mis Mehefin 1855gan Owen Jones, un o swyddogion y sir, at yr [[Arglwydd Newborough]], Cadeirydd y Llys Chwarter, gan ddweud fod yna fawr o ffyrdd a gynhelid gan y plwyfi nad oedd â phont neu gwlfert dros pob un nant, ond bod angen 5 pont sylweddol rhwng [[Pen-y-groes]] a [[Rhyd-ddu]].&amp;lt;ref&amp;gt;Archifdy Gwynedd, XD2/24838.&amp;lt;/ref&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;  Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe elwir y bont weithiau ar fapiau&amp;#039;n &amp;#039;&amp;#039;Bont Wythdir&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir (gol. 1af, 1888).&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe elwir y bont weithiau ar fapiau&amp;#039;n &amp;#039;&amp;#039;Bont Wythdir&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir (gol. 1af, 1888).&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5188&amp;oldid=prev</id>
		<title>Irion am 16:49, 6 Chwefror 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5188&amp;oldid=prev"/>
		<updated>2019-02-06T16:49:43Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 17:49, 6 Chwefror 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. Fe ail-adeiladwyd hi ym 1855 &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;ar draws yr [[Afon Llyfnwy]]&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. &lt;/del&gt;Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. Fe ail-adeiladwyd hi ym 1855 ar draws yr [[Afon Llyfnwy]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, mewn ymateb efallai i lythyr  &lt;/ins&gt;Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe elwir y bont weithiau ar fapiau&amp;#039;n &amp;#039;&amp;#039;Bont Wythdir&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir (gol. 1af, 1888).&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fe elwir y bont weithiau ar fapiau&amp;#039;n &amp;#039;&amp;#039;Bont Wythdir&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&amp;quot; i&amp;#039;r filltir (gol. 1af, 1888).&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5124&amp;oldid=prev</id>
		<title>Irion am 16:27, 26 Ionawr 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5124&amp;oldid=prev"/>
		<updated>2019-01-26T16:27:41Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 17:27, 26 Ionawr 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ac fe &lt;/del&gt;ail-adeiladwyd ym 1855  ar draws yr [[Afon Llyfnwy]]. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ar y ffordd heibio Petris a [[Plas Dorothea|Phlas Dorothea]] ar y ffordd a arferai redeg o&#039;r hen ffordd trwy&#039;r dyffryn (ger [[Plas Tal-y-sarn]]) am [[Tan&#039;rallt|Dan&#039;rallt]]. Fe &lt;/ins&gt;ail-adeiladwyd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;hi &lt;/ins&gt;ym 1855  ar draws yr [[Afon Llyfnwy]]. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/ref&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fe elwir y bont weithiau ar fapiau&#039;n &#039;&#039;Bont Wythdir&#039;&#039;.&amp;lt;ref&amp;gt;Mapiau Ordnans 6&quot; i&#039;r filltir (gol. 1af, 1888).&lt;/ins&gt;&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5117&amp;oldid=prev</id>
		<title>Irion am 11:10, 26 Ionawr 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5117&amp;oldid=prev"/>
		<updated>2019-01-26T11:10:44Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 12:10, 26 Ionawr 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ac fe ail-adeiladwyd ym 1855  ar draws yr Afon Llyfnwy. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger [[Chwarel Tal-y-sarn]], plwyf [[Llandwrog]], ac fe ail-adeiladwyd ym 1855  ar draws yr &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Afon Llyfnwy&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5116&amp;oldid=prev</id>
		<title>Irion am 11:10, 26 Ionawr 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5116&amp;oldid=prev"/>
		<updated>2019-01-26T11:10:22Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 12:10, 26 Ionawr 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger Chwarel Tal-y-sarn, plwyf [[Llandwrog]], ac fe ail-adeiladwyd ym 1855  ar draws yr Afon Llyfnwy. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr&#039;&#039;&#039; ger &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[&lt;/ins&gt;Chwarel Tal-y-sarn&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, plwyf [[Llandwrog]], ac fe ail-adeiladwyd ym 1855  ar draws yr Afon Llyfnwy. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5115&amp;oldid=prev</id>
		<title>Irion am 11:10, 26 Ionawr 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5115&amp;oldid=prev"/>
		<updated>2019-01-26T11:10:04Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 12:10, 26 Ionawr 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dŵr’’’ &lt;/del&gt;ger Chwarel Tal-y-sarn, plwyf [[Llandwrog]], ac fe ail-adeiladwyd ym 1855  ar draws yr Afon Llyfnwy. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Safai &#039;&#039;&#039;Pont Sarn Wyth-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dŵr&#039;&#039;&#039; &lt;/ins&gt;ger Chwarel Tal-y-sarn, plwyf [[Llandwrog]], ac fe ail-adeiladwyd ym 1855  ar draws yr Afon Llyfnwy. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5114&amp;oldid=prev</id>
		<title>Irion: Crëwyd tudalen newydd yn dechrau gyda &#039;Safai &#039;&#039;&#039;Pont Sarn Wyth-dŵr’’’ ger Chwarel Tal-y-sarn, plwyf Llandwrog, ac fe ail-adeiladwyd ym 1855  ar draws yr Afon Llyfnwy. Roedd un prif f...&#039;</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Pont_Sarn_Wyth-d%C5%B5r&amp;diff=5114&amp;oldid=prev"/>
		<updated>2019-01-26T11:09:46Z</updated>

		<summary type="html">&lt;p&gt;Crëwyd tudalen newydd yn dechrau gyda &amp;#039;Safai &amp;#039;&amp;#039;&amp;#039;Pont Sarn Wyth-dŵr’’’ ger Chwarel Tal-y-sarn, plwyf &lt;a href=&quot;/wici/Llandwrog&quot; title=&quot;Llandwrog&quot;&gt;Llandwrog&lt;/a&gt;, ac fe ail-adeiladwyd ym 1855  ar draws yr Afon Llyfnwy. Roedd un prif f...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Tudalen newydd&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Safai &amp;#039;&amp;#039;&amp;#039;Pont Sarn Wyth-dŵr’’’ ger Chwarel Tal-y-sarn, plwyf [[Llandwrog]], ac fe ail-adeiladwyd ym 1855  ar draws yr Afon Llyfnwy. Roedd un prif fwa a saith sianel lai. Defnyddiodd yr ymgymerwr wâst o’r chwareli lleol i codi a chryfhau’r sarn. John Prichard, Brynhyfryd, plwyf Llanbeblig oedd yr ymgymerwr ym 1855 ac fe gytunodd i wneud y gwaith a gwneud gwaith cynnal a chadw arni am saith mlynedd am y gost o £70.&amp;lt;ref&amp;gt;Archifdy Caernarfon, XPlansB/20&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{eginyn}}&lt;br /&gt;
==Cyfeiriadau==&lt;br /&gt;
{{cyfeiriadau}}&lt;br /&gt;
[[Categori:Pontydd]]&lt;/div&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
</feed>