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	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Chwarel_Lechi_Ton</id>
	<title>Chwarel Lechi Ton - 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_Lechi_Ton"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Lechi_Ton&amp;action=history"/>
	<updated>2026-05-06T15:26:33Z</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_Lechi_Ton&amp;diff=14264&amp;oldid=prev</id>
		<title>Irion am 20:23, 1 Rhagfyr 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Lechi_Ton&amp;diff=14264&amp;oldid=prev"/>
		<updated>2022-12-01T20:23:46Z</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 21:23, 1 Rhagfyr 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-l5&quot;&gt;Llinell 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 5:&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;==Cyfeiriadau==&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;==Cyfeiriadau==&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;[[Categori:Chwareli]]&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;[[Categori:Chwareli &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;llechi&lt;/ins&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=Chwarel_Lechi_Ton&amp;diff=14168&amp;oldid=prev</id>
		<title>Irion am 15:29, 19 Tachwedd 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Lechi_Ton&amp;diff=14168&amp;oldid=prev"/>
		<updated>2022-11-19T15:29:48Z</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 16:29, 19 Tachwedd 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 Lechi Ton&#039;&#039;&#039; tua 60 llath i&#039;r gogledd o [[Chwarel Biggs]], ac yn un o&#039;r mân chwareli a ddaeth yn un twll mawr dros amser fel rhan o [[Chwarel Tal-y-sarn]]. Erbyn 1858, roedd twll y chwarel tua 40 llath o hyd, 25-30 llath o led a thua 20 llath o ran ei ddyfnder. Chwarel a gynhyrchai slabiau o lechi oedd hi i raddau. Fe werthwyd y cloddfeydd bychain hyn gyda gweddill tir fferm Tal-y-sarn ym 1827 fel tir [[Cwmni Llechi Tal-y-sarn]].&amp;lt;ref&amp;gt;Thomas Farries, &#039;&#039;A Guide to Drawing Bills of Costs in nearly every branch of legal practice&#039;&#039;(Llundain, 1860), t.4. [https://books.google.co.uk/books?id=26sDAAAAQAAJ&amp;amp;pg=PT8&amp;amp;lpg=PT8&amp;amp;dq=%22Talysarn+Slate+Company%22&amp;amp;source=bl&amp;amp;ots=TfuOFk82n1&amp;amp;sig=ACfU3U2Gf1tTleMKzhhXjK-tPL_9lmP71A&amp;amp;hl=cy&amp;amp;sa=X&amp;amp;ved=2ahUKEwiS9-TxlrX7AhXiSkEAHaugBncQ6AF6BAgZEAM#v=onepage&amp;amp;q=%22Talysarn%20Slate%20Company%22&amp;amp;f=false].&amp;lt;/ref&amp;gt; Yn y man, aeth y twll yn rhan o dwll [[Chwarel Tal-y-sarn]] ei hun.  &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 Lechi Ton&#039;&#039;&#039; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(hynny yw, chwarel a gynhyrchai lechi i&#039;w gwerthu wrth y dunnell) &lt;/ins&gt;tua 60 llath i&#039;r gogledd o [[Chwarel Biggs]], ac yn un o&#039;r mân chwareli a ddaeth yn un twll mawr dros amser fel rhan o [[Chwarel Tal-y-sarn]]. Erbyn 1858, roedd twll y chwarel tua 40 llath o hyd, 25-30 llath o led a thua 20 llath o ran ei ddyfnder. Chwarel a gynhyrchai slabiau o lechi oedd hi i raddau&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, a llechi a werthwyd yn ôl y dunnell neu fesul un - sef &quot;ton and tally slates&quot;, llechi fel arfer o faintioli sylweddol ond amrywiol.&amp;lt;ref&amp;gt;&quot;A Glossary of Slate and Stone Roofing&quot;, [http://www.stoneroof.org.uk/historic/Historic_Roofs/Publications_files/Glossary%20v3%205-16.pdf], cyrchwyd 19.11&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2022&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;Fe werthwyd y cloddfeydd bychain hyn gyda gweddill tir fferm Tal-y-sarn ym 1827 fel tir [[Cwmni Llechi Tal-y-sarn]].&amp;lt;ref&amp;gt;Thomas Farries, &#039;&#039;A Guide to Drawing Bills of Costs in nearly every branch of legal practice&#039;&#039;(Llundain, 1860), t.4. [https://books.google.co.uk/books?id=26sDAAAAQAAJ&amp;amp;pg=PT8&amp;amp;lpg=PT8&amp;amp;dq=%22Talysarn+Slate+Company%22&amp;amp;source=bl&amp;amp;ots=TfuOFk82n1&amp;amp;sig=ACfU3U2Gf1tTleMKzhhXjK-tPL_9lmP71A&amp;amp;hl=cy&amp;amp;sa=X&amp;amp;ved=2ahUKEwiS9-TxlrX7AhXiSkEAHaugBncQ6AF6BAgZEAM#v=onepage&amp;amp;q=%22Talysarn%20Slate%20Company%22&amp;amp;f=false].&amp;lt;/ref&amp;gt; Yn y man, aeth y twll yn rhan o dwll [[Chwarel Tal-y-sarn]] ei hun.  &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;==Cyfeiriadau==&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;==Cyfeiriadau==&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;[[Categori:Chwareli]]&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;[[Categori:Chwareli]]&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_Lechi_Ton&amp;diff=14166&amp;oldid=prev</id>
		<title>Irion am 15:18, 19 Tachwedd 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Lechi_Ton&amp;diff=14166&amp;oldid=prev"/>
		<updated>2022-11-19T15:18:32Z</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 16:18, 19 Tachwedd 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 Lechi Ton&#039;&#039;&#039; tua 60 llath i&#039;r gogledd o [[Chwarel Biggs]], ac yn un o&#039;r mân chwareli a ddaeth yn un twll mawr dros amser fel rhan o [[Chwarel Tal-y-sarn]]. Erbyn 1858, roedd twll y chwarel tua 40 llath o hyd, 25-30 llath o led a thua 20 llath o ran ei ddyfnder. Chwarel a gynhyrchai slabiau o lechi oedd hi i raddau. Fe werthwyd y cloddfeydd bychain hyn gyda gweddill tir fferm Tal-y-sarn ym 1827 fel tir [[Cwmni Llechi Tal-y-sarn]].&amp;lt;ref&amp;gt;Thomas Farries, &#039;&#039;A Guide to Drawing Bills of Costs in nearly every branch of legal practice&#039;&#039;(Llundain, 1860), t.4. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Mae copi o&#039;r prosbectws ar we, ac mae&#039;n rhoi lmanylion am y chwarel ym 1859:&lt;/del&gt;[https://books.google.co.uk/books?id=26sDAAAAQAAJ&amp;amp;pg=PT8&amp;amp;lpg=PT8&amp;amp;dq=%22Talysarn+Slate+Company%22&amp;amp;source=bl&amp;amp;ots=TfuOFk82n1&amp;amp;sig=ACfU3U2Gf1tTleMKzhhXjK-tPL_9lmP71A&amp;amp;hl=cy&amp;amp;sa=X&amp;amp;ved=2ahUKEwiS9-TxlrX7AhXiSkEAHaugBncQ6AF6BAgZEAM#v=onepage&amp;amp;q=%22Talysarn%20Slate%20Company%22&amp;amp;f=false].&amp;lt;/ref&amp;gt; Yn y man, aeth y twll yn rhan o dwll [[Chwarel Tal-y-sarn]] ei hun.  &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 Lechi Ton&#039;&#039;&#039; tua 60 llath i&#039;r gogledd o [[Chwarel Biggs]], ac yn un o&#039;r mân chwareli a ddaeth yn un twll mawr dros amser fel rhan o [[Chwarel Tal-y-sarn]]. Erbyn 1858, roedd twll y chwarel tua 40 llath o hyd, 25-30 llath o led a thua 20 llath o ran ei ddyfnder. Chwarel a gynhyrchai slabiau o lechi oedd hi i raddau. Fe werthwyd y cloddfeydd bychain hyn gyda gweddill tir fferm Tal-y-sarn ym 1827 fel tir [[Cwmni Llechi Tal-y-sarn]].&amp;lt;ref&amp;gt;Thomas Farries, &#039;&#039;A Guide to Drawing Bills of Costs in nearly every branch of legal practice&#039;&#039;(Llundain, 1860), t.4. [https://books.google.co.uk/books?id=26sDAAAAQAAJ&amp;amp;pg=PT8&amp;amp;lpg=PT8&amp;amp;dq=%22Talysarn+Slate+Company%22&amp;amp;source=bl&amp;amp;ots=TfuOFk82n1&amp;amp;sig=ACfU3U2Gf1tTleMKzhhXjK-tPL_9lmP71A&amp;amp;hl=cy&amp;amp;sa=X&amp;amp;ved=2ahUKEwiS9-TxlrX7AhXiSkEAHaugBncQ6AF6BAgZEAM#v=onepage&amp;amp;q=%22Talysarn%20Slate%20Company%22&amp;amp;f=false].&amp;lt;/ref&amp;gt; Yn y man, aeth y twll yn rhan o dwll [[Chwarel Tal-y-sarn]] ei hun.  &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;==Cyfeiriadau==&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;==Cyfeiriadau==&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;[[Categori:Chwareli]]&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;[[Categori:Chwareli]]&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_Lechi_Ton&amp;diff=14160&amp;oldid=prev</id>
		<title>Irion: Crëwyd tudalen newydd yn dechrau gyda &#039;Roedd &#039;&#039;&#039;Chwarel Lechi Ton&#039;&#039;&#039; tua 60 llath i&#039;r gogledd o Chwarel Biggs, ac yn un o&#039;r mân chwareli a ddaeth yn un twll mawr dros amser fel rhan o Ch...&#039;</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Chwarel_Lechi_Ton&amp;diff=14160&amp;oldid=prev"/>
		<updated>2022-11-19T14:47:34Z</updated>

		<summary type="html">&lt;p&gt;Crëwyd tudalen newydd yn dechrau gyda &amp;#039;Roedd &amp;#039;&amp;#039;&amp;#039;Chwarel Lechi Ton&amp;#039;&amp;#039;&amp;#039; tua 60 llath i&amp;#039;r gogledd o &lt;a href=&quot;/wici/Chwarel_Biggs&quot; title=&quot;Chwarel Biggs&quot;&gt;Chwarel Biggs&lt;/a&gt;, ac yn un o&amp;#039;r mân chwareli a ddaeth yn un twll mawr dros amser fel rhan o Ch...&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 Lechi Ton&amp;#039;&amp;#039;&amp;#039; tua 60 llath i&amp;#039;r gogledd o [[Chwarel Biggs]], ac yn un o&amp;#039;r mân chwareli a ddaeth yn un twll mawr dros amser fel rhan o [[Chwarel Tal-y-sarn]]. Erbyn 1858, roedd twll y chwarel tua 40 llath o hyd, 25-30 llath o led a thua 20 llath o ran ei ddyfnder. Chwarel a gynhyrchai slabiau o lechi oedd hi i raddau. Fe werthwyd y cloddfeydd bychain hyn gyda gweddill tir fferm Tal-y-sarn ym 1827 fel tir [[Cwmni Llechi Tal-y-sarn]].&amp;lt;ref&amp;gt;Thomas Farries, &amp;#039;&amp;#039;A Guide to Drawing Bills of Costs in nearly every branch of legal practice&amp;#039;&amp;#039;(Llundain, 1860), t.4. Mae copi o&amp;#039;r prosbectws ar we, ac mae&amp;#039;n rhoi lmanylion am y chwarel ym 1859:[https://books.google.co.uk/books?id=26sDAAAAQAAJ&amp;amp;pg=PT8&amp;amp;lpg=PT8&amp;amp;dq=%22Talysarn+Slate+Company%22&amp;amp;source=bl&amp;amp;ots=TfuOFk82n1&amp;amp;sig=ACfU3U2Gf1tTleMKzhhXjK-tPL_9lmP71A&amp;amp;hl=cy&amp;amp;sa=X&amp;amp;ved=2ahUKEwiS9-TxlrX7AhXiSkEAHaugBncQ6AF6BAgZEAM#v=onepage&amp;amp;q=%22Talysarn%20Slate%20Company%22&amp;amp;f=false].&amp;lt;/ref&amp;gt; Yn y man, aeth y twll yn rhan o dwll [[Chwarel Tal-y-sarn]] ei hun. &lt;br /&gt;
&lt;br /&gt;
==Cyfeiriadau==&lt;br /&gt;
&lt;br /&gt;
[[Categori:Chwareli]]&lt;/div&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
</feed>