<?xml version="1.0"?>
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	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Chwarel_Hafodlas</id>
	<title>Chwarel Hafodlas - Hanes golygu</title>
	<link rel="self" type="application/atom+xml" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Chwarel_Hafodlas"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Hafodlas&amp;action=history"/>
	<updated>2026-06-22T02:22:29Z</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=Chwarel_Hafodlas&amp;diff=13001&amp;oldid=prev</id>
		<title>Cyfaill Eben am 14:11, 22 Chwefror 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Hafodlas&amp;diff=13001&amp;oldid=prev"/>
		<updated>2022-02-22T14:11:08Z</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 15:11, 22 Chwefror 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;Roedd &#039;&#039;&#039;Chwarel Hafodlas&#039;&#039;&#039; (SH 489539) yn un o&#039;r chwareli cynharaf i agor yn [[Dyffryn Nantlle|Nyffryn Nantlle]], efallai cyn &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gynted &lt;/del&gt;â 1800, ac am gyfnod hir, [[George Bettiss]] oedd y prif bartner o&#039;r 1810au ymlaen. Roedd yn amheus ar y dechrau o adeiladu [[Rheilffordd Nantlle]], ac nid oedd Hafodlas ymysg y chwareli cyntaf i ddefnyddio&#039;r rheilffordd pan agorodd ym 1828, er i lechi Hafodlas gael eu cludo ar hyd-ddi o Ionawr 1829 ymlaen.&amp;lt;ref&amp;gt;G.H. Williams, &#039;&#039;Sŵn y Trên sy&#039;n Taranu&#039;&#039;, (Caernarfon, 2018).&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 &#039;&#039;&#039;Chwarel Hafodlas&#039;&#039;&#039; (SH 489539) yn un o&#039;r chwareli cynharaf i agor yn [[Dyffryn Nantlle|Nyffryn Nantlle]], efallai cyn &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gynhared &lt;/ins&gt;â 1800, ac am gyfnod hir, [[George Bettiss]] oedd y prif bartner o&#039;r 1810au ymlaen. Roedd yn amheus ar y dechrau o adeiladu [[Rheilffordd Nantlle]], ac nid oedd Hafodlas ymysg y chwareli cyntaf i ddefnyddio&#039;r rheilffordd pan agorodd ym 1828, er i lechi Hafodlas gael eu cludo ar hyd-ddi o Ionawr 1829 ymlaen.&amp;lt;ref&amp;gt;G.H. Williams, &#039;&#039;Sŵn y Trên sy&#039;n Taranu&#039;&#039;, (Caernarfon, 2018).&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 Hafodlas ymysg y chwareli cynharaf i droi at bŵer ager, er bod ei hinjan bwmpio dŵr wedi torri erbyn 1817.&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 Hafodlas ymysg y chwareli cynharaf i droi at bŵer ager, er bod ei hinjan bwmpio dŵr wedi torri erbyn 1817.&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=Chwarel_Hafodlas&amp;diff=13000&amp;oldid=prev</id>
		<title>Cyfaill Eben am 14:09, 22 Chwefror 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Hafodlas&amp;diff=13000&amp;oldid=prev"/>
		<updated>2022-02-22T14:09:48Z</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 15:09, 22 Chwefror 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;Roedd &#039;&#039;&#039;Chwarel Hafodlas&#039;&#039;&#039; (SH 489539) yn un o chwareli cynharaf i agor yn [[Dyffryn Nantlle|Nyffryn Nantlle]], efallai cyn gynted â 1800, ac am hir, [[George Bettiss]] oedd y prif bartner o&#039;r 1810au ymlaen. Roedd yn amheus ar y dechrau o adeiladu [[Rheilffordd Nantlle]], ac nid Hafodlas &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;oedd &lt;/del&gt;ymysg y chwareli cyntaf i ddefnyddio&#039;r rheilffordd pan &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;iddi agor &lt;/del&gt;ym 1828, er i lechi Hafodlas gael eu cludo ar hyd-ddi o Ionawr 1829 ymlaen.&amp;lt;ref&amp;gt;G.H. Williams, &#039;&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Swn &lt;/del&gt;y Trên sy&#039;n Taranu&#039;&#039;, (Caernarfon, 2018).&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 &#039;&#039;&#039;Chwarel Hafodlas&#039;&#039;&#039; (SH 489539) yn un o&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;r &lt;/ins&gt;chwareli cynharaf i agor yn [[Dyffryn Nantlle|Nyffryn Nantlle]], efallai cyn gynted â 1800, ac am &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gyfnod &lt;/ins&gt;hir, [[George Bettiss]] oedd y prif bartner o&#039;r 1810au ymlaen. Roedd yn amheus ar y dechrau o adeiladu [[Rheilffordd Nantlle]], ac nid &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;oedd &lt;/ins&gt;Hafodlas ymysg y chwareli cyntaf i ddefnyddio&#039;r rheilffordd pan &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;agorodd &lt;/ins&gt;ym 1828, er i lechi Hafodlas gael eu cludo ar hyd-ddi o Ionawr 1829 ymlaen.&amp;lt;ref&amp;gt;G.H. Williams, &#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Sŵn &lt;/ins&gt;y Trên sy&#039;n Taranu&#039;&#039;, (Caernarfon, 2018).&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 Hafodlas ymysg y chwareli cynharaf i droi at bŵer ager, er &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;i&#039;w injan &lt;/del&gt;bwmpio dŵr wedi torri erbyn 1817.&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 Hafodlas ymysg y chwareli cynharaf i droi at bŵer ager, er &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;bod ei hinjan &lt;/ins&gt;bwmpio dŵr wedi torri erbyn 1817.&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;Caeodd Chwarel Hafodlas oddeutu 1880.&amp;lt;ref&amp;gt;Jean Lindsay, &amp;#039;&amp;#039;A History of the North Wales Slate Industry&amp;#039;&amp;#039;, (Newton Abbot, 1974), t. 322.&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;Caeodd Chwarel Hafodlas oddeutu 1880.&amp;lt;ref&amp;gt;Jean Lindsay, &amp;#039;&amp;#039;A History of the North Wales Slate Industry&amp;#039;&amp;#039;, (Newton Abbot, 1974), t. 322.&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=Chwarel_Hafodlas&amp;diff=4588&amp;oldid=prev</id>
		<title>Irion am 09:42, 24 Hydref 2018</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Hafodlas&amp;diff=4588&amp;oldid=prev"/>
		<updated>2018-10-24T09:42:11Z</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 10:42, 24 Hydref 2018&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-l3&quot;&gt;Llinell 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 3:&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 Hafodlas ymysg y chwareli cynharaf i droi at bŵer ager, er i&amp;#039;w injan bwmpio dŵr wedi torri erbyn 1817.&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 Hafodlas ymysg y chwareli cynharaf i droi at bŵer ager, er i&amp;#039;w injan bwmpio dŵr wedi torri erbyn 1817.&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;Caeodd Chwarel Hafodlas oddeutu 1880.&amp;lt;ref&amp;gt;Jean Lindsay, &#039;&#039;A History of the North Wales Slate &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Industry’’&lt;/del&gt;, (Newton Abbot, 1974), t. 322.&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;Caeodd Chwarel Hafodlas oddeutu 1880.&amp;lt;ref&amp;gt;Jean Lindsay, &#039;&#039;A History of the North Wales Slate &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Industry&#039;&#039;&lt;/ins&gt;, (Newton Abbot, 1974), t. 322.&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=Chwarel_Hafodlas&amp;diff=4587&amp;oldid=prev</id>
		<title>Irion: Crëwyd tudalen newydd yn dechrau gyda &#039;Roedd &#039;&#039;&#039;Chwarel Hafodlas&#039;&#039;&#039; (SH 489539) yn un o chwareli cynharaf i agor yn Nyffryn Nantlle, efallai cyn gynted â 1800, ac am hir, [...&#039;</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Hafodlas&amp;diff=4587&amp;oldid=prev"/>
		<updated>2018-10-24T09:41:40Z</updated>

		<summary type="html">&lt;p&gt;Crëwyd tudalen newydd yn dechrau gyda &amp;#039;Roedd &amp;#039;&amp;#039;&amp;#039;Chwarel Hafodlas&amp;#039;&amp;#039;&amp;#039; (SH 489539) yn un o chwareli cynharaf i agor yn &lt;a href=&quot;/wici/Dyffryn_Nantlle&quot; title=&quot;Dyffryn Nantlle&quot;&gt;Nyffryn Nantlle&lt;/a&gt;, efallai cyn gynted â 1800, ac am hir, [...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Tudalen newydd&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Roedd &amp;#039;&amp;#039;&amp;#039;Chwarel Hafodlas&amp;#039;&amp;#039;&amp;#039; (SH 489539) yn un o chwareli cynharaf i agor yn [[Dyffryn Nantlle|Nyffryn Nantlle]], efallai cyn gynted â 1800, ac am hir, [[George Bettiss]] oedd y prif bartner o&amp;#039;r 1810au ymlaen. Roedd yn amheus ar y dechrau o adeiladu [[Rheilffordd Nantlle]], ac nid Hafodlas oedd ymysg y chwareli cyntaf i ddefnyddio&amp;#039;r rheilffordd pan iddi agor ym 1828, er i lechi Hafodlas gael eu cludo ar hyd-ddi o Ionawr 1829 ymlaen.&amp;lt;ref&amp;gt;G.H. Williams, &amp;#039;&amp;#039;Swn y Trên sy&amp;#039;n Taranu&amp;#039;&amp;#039;, (Caernarfon, 2018).&amp;lt;/ref&amp;gt;&lt;br /&gt;
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Roedd Hafodlas ymysg y chwareli cynharaf i droi at bŵer ager, er i&amp;#039;w injan bwmpio dŵr wedi torri erbyn 1817.&lt;br /&gt;
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Caeodd Chwarel Hafodlas oddeutu 1880.&amp;lt;ref&amp;gt;Jean Lindsay, &amp;#039;&amp;#039;A History of the North Wales Slate Industry’’, (Newton Abbot, 1974), t. 322.&amp;lt;/ref&amp;gt;&lt;br /&gt;
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==Cyfeiriadau==&lt;br /&gt;
{{cyfeiriadau}}&lt;br /&gt;
[[Categori:Chwareli llechi]]&lt;/div&gt;</summary>
		<author><name>Irion</name></author>
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