<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="cy">
	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Chwarel_Pretoria</id>
	<title>Chwarel Pretoria - 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_Pretoria"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Pretoria&amp;action=history"/>
	<updated>2026-05-06T14:30:47Z</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_Pretoria&amp;diff=13021&amp;oldid=prev</id>
		<title>Cyfaill Eben am 15:17, 23 Chwefror 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Pretoria&amp;diff=13021&amp;oldid=prev"/>
		<updated>2022-02-23T15:17:24Z</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 16:17, 23 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;Chwarel lechi &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;bach &lt;/del&gt;oedd &#039;&#039;&#039;Chwarel Pretoria&#039;&#039;&#039; (SH 515551) ar [[Tir Comin Moel Tryfan|gomin Moel Tryfan]] ger pentref [[Y Fron]]. Roedd yn un o&#039;r &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;unig &lt;/del&gt;chwareli &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;i fod heb &lt;/del&gt;gysylltiad â rheilffordd/tramffordd yn yr ardal, er mae&#039;n debyg iddi ddefnyddio&#039;r &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;tramffordd &lt;/del&gt;a redai &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;trwy&lt;/del&gt;&#039;r Fron. Fe&#039;i hagorwyd yn ystod y 1860au gan  Gwmni Llechi Brynfferam, fel estyniad o&#039;u gwaith yn [[Chwarel Brynfferam]] gerllaw. Roedd yno ddau dwll chwarel, ond cymharol ychydig o waith a wnaed yno. Oherwydd y prinder &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;o lechi&lt;/del&gt;&#039;n genedlaethol &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;yn sgil &lt;/del&gt;streic y Penrhyn, 1900-03, bu &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;partneriaeth &lt;/del&gt;leol gyda &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;prydles &lt;/del&gt;oddi wrth gwmni Brynfferam ei hailagor am ychydig.&amp;lt;ref&amp;gt;Gwynfor Pierce Jones ac Alun John Richards, &#039;&#039;Cwm Gwyrfai&#039;&#039;, (Llanrwst, 2004), t.278-9&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;Chwarel lechi &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fach &lt;/ins&gt;oedd &#039;&#039;&#039;Chwarel Pretoria&#039;&#039;&#039; (SH 515551) ar [[Tir Comin Moel Tryfan|gomin Moel Tryfan]] ger pentref [[Y Fron]]. Roedd yn un o&#039;r &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ychydig &lt;/ins&gt;chwareli &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nad oedd ganddi &lt;/ins&gt;gysylltiad â rheilffordd/tramffordd yn yr ardal, er mae&#039;n debyg iddi ddefnyddio&#039;r &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dramffordd &lt;/ins&gt;a redai &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;drwy&lt;/ins&gt;&#039;r Fron. Fe&#039;i hagorwyd yn ystod y 1860au gan  Gwmni Llechi Brynfferam, fel estyniad o&#039;u gwaith yn [[Chwarel Brynfferam]] gerllaw. Roedd yno ddau dwll chwarel, ond cymharol ychydig o waith a wnaed yno. Oherwydd y prinder &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;llechi&lt;/ins&gt;&#039;n genedlaethol &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;o ganlyniad i &lt;/ins&gt;streic y Penrhyn, 1900-03, bu &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;i bartneriaeth &lt;/ins&gt;leol&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;gyda &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;phrydles &lt;/ins&gt;oddi wrth gwmni Brynfferam&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, &lt;/ins&gt;ei hailagor am ychydig.&amp;lt;ref&amp;gt;Gwynfor Pierce Jones ac Alun John Richards, &#039;&#039;Cwm Gwyrfai&#039;&#039;, (Llanrwst, 2004), t.278-9&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>Cyfaill Eben</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Pretoria&amp;diff=4655&amp;oldid=prev</id>
		<title>Irion am 13:44, 26 Hydref 2018</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Pretoria&amp;diff=4655&amp;oldid=prev"/>
		<updated>2018-10-26T13:44:15Z</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 14:44, 26 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-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;Chwarel lechi bach oedd &#039;&#039;&#039;Chwarel Pretoria&#039;&#039;&#039; (SH 515551) ar [[Comin Moel Tryfan|gomin Moel Tryfan]] ger pentref [[Y Fron]]. Roedd yn un o&#039;r unig chwareli i fod heb gysylltiad â rheilffordd/tramffordd yn yr ardal, er mae&#039;n debyg iddi ddefnyddio&#039;r tramffordd a redai trwy&#039;r Fron. Fe&#039;i hagorwyd yn ystod y 1860au gan  Gwmni Llechi Brynfferam, fel estyniad o&#039;u gwaith yn [[Chwarel Brynfferam]] gerllaw. Roedd yno ddau dwll chwarel, ond cymharol ychydig o waith a wnaed yno. Oherwydd y prinder o lechi&#039;n genedlaethol yn sgil streic y Penrhyn, 1900-03, bu partneriaeth leol gyda prydles oddi wrth gwmni Brynfferam ei hailagor am ychydig.&amp;lt;ref&amp;gt;Gwynfor Pierce Jones ac Alun John Richards, &#039;&#039;Cwm Gwyrfai&#039;&#039;, (Llanrwst, 2004), t.278-9&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;Chwarel lechi bach oedd &#039;&#039;&#039;Chwarel Pretoria&#039;&#039;&#039; (SH 515551) ar [[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tir &lt;/ins&gt;Comin Moel Tryfan|gomin Moel Tryfan]] ger pentref [[Y Fron]]. Roedd yn un o&#039;r unig chwareli i fod heb gysylltiad â rheilffordd/tramffordd yn yr ardal, er mae&#039;n debyg iddi ddefnyddio&#039;r tramffordd a redai trwy&#039;r Fron. Fe&#039;i hagorwyd yn ystod y 1860au gan  Gwmni Llechi Brynfferam, fel estyniad o&#039;u gwaith yn [[Chwarel Brynfferam]] gerllaw. Roedd yno ddau dwll chwarel, ond cymharol ychydig o waith a wnaed yno. Oherwydd y prinder o lechi&#039;n genedlaethol yn sgil streic y Penrhyn, 1900-03, bu partneriaeth leol gyda prydles oddi wrth gwmni Brynfferam ei hailagor am ychydig.&amp;lt;ref&amp;gt;Gwynfor Pierce Jones ac Alun John Richards, &#039;&#039;Cwm Gwyrfai&#039;&#039;, (Llanrwst, 2004), t.278-9&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_Pretoria&amp;diff=4654&amp;oldid=prev</id>
		<title>Irion: Crëwyd tudalen newydd yn dechrau gyda &#039;Chwarel lechi bach oedd &#039;&#039;&#039;Chwarel Pretoria&#039;&#039;&#039; (SH 515551) ar gomin Moel Tryfan ger pentref Y Fron. Roedd yn un o&#039;r unig chwarel...&#039;</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Pretoria&amp;diff=4654&amp;oldid=prev"/>
		<updated>2018-10-26T13:43:12Z</updated>

		<summary type="html">&lt;p&gt;Crëwyd tudalen newydd yn dechrau gyda &amp;#039;Chwarel lechi bach oedd &amp;#039;&amp;#039;&amp;#039;Chwarel Pretoria&amp;#039;&amp;#039;&amp;#039; (SH 515551) ar &lt;a href=&quot;/index.php?title=Comin_Moel_Tryfan&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Comin Moel Tryfan (nid yw&amp;#039;r dudalen yn bodoli)&quot;&gt;gomin Moel Tryfan&lt;/a&gt; ger pentref &lt;a href=&quot;/wici/Y_Fron&quot; title=&quot;Y Fron&quot;&gt;Y Fron&lt;/a&gt;. Roedd yn un o&amp;#039;r unig chwarel...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Tudalen newydd&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Chwarel lechi bach oedd &amp;#039;&amp;#039;&amp;#039;Chwarel Pretoria&amp;#039;&amp;#039;&amp;#039; (SH 515551) ar [[Comin Moel Tryfan|gomin Moel Tryfan]] ger pentref [[Y Fron]]. Roedd yn un o&amp;#039;r unig chwareli i fod heb gysylltiad â rheilffordd/tramffordd yn yr ardal, er mae&amp;#039;n debyg iddi ddefnyddio&amp;#039;r tramffordd a redai trwy&amp;#039;r Fron. Fe&amp;#039;i hagorwyd yn ystod y 1860au gan  Gwmni Llechi Brynfferam, fel estyniad o&amp;#039;u gwaith yn [[Chwarel Brynfferam]] gerllaw. Roedd yno ddau dwll chwarel, ond cymharol ychydig o waith a wnaed yno. Oherwydd y prinder o lechi&amp;#039;n genedlaethol yn sgil streic y Penrhyn, 1900-03, bu partneriaeth leol gyda prydles oddi wrth gwmni Brynfferam ei hailagor am ychydig.&amp;lt;ref&amp;gt;Gwynfor Pierce Jones ac Alun John Richards, &amp;#039;&amp;#039;Cwm Gwyrfai&amp;#039;&amp;#039;, (Llanrwst, 2004), t.278-9&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{eginyn}}&lt;br /&gt;
==Cyfeiriadau==&lt;br /&gt;
{{cyfeiriadau}}&lt;br /&gt;
[[Categori:Chwareli llechi]]&lt;/div&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
</feed>