https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&feed=atom&title=Seidin_Chwarel_Treflan 2026-05-06T10:10:23Z Hanes diwygio'r dudalen hon ar y wici MediaWiki 1.43.1 https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Seidin_Chwarel_Treflan&diff=12690&oldid=prev 2022-01-19T14:56:38Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="cy"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Fersiwn hŷn</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Fersiwn yn ôl 15:56, 19 Ionawr 2022</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Llinell 1:</td> <td colspan="2" class="diff-lineno">Llinell 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="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;"><div>Roedd '''Seidin Chwarel Treflan''' yn ffurfio lŵp oddi ar brif lein [[Rheilffyrdd Cul Gogledd Cymru]] rhwng gorsafoedd [[Gorsaf reilffordd Waun-fawr|Waunfawr]] a [[Gorsaf reilffordd Betws Garmon|Betws Garmon]]. O seidin y cwmni <del style="font-weight: bold; text-decoration: none;">redai </del>tramffordd o'r un lled ar draws <del style="font-weight: bold; text-decoration: none;">yr </del>Afon Gwyrfai at chwareli llechi Treflan a Garreg-fawr a'r cloddfeydd carreg haearn ar y llethrau gyferbyn. Roedd y <del style="font-weight: bold; text-decoration: none;">tramffordd </del>wedi ei hadeiladu (a wagenni'n cael eu trawslwytho o bosibl ar y brif lein), ond mynnodd y cwmni carreg haearn gael cysylltiad a gosodwyd pwyntiau a set o seidins yma ym 1901-2. Erbyn <del style="font-weight: bold; text-decoration: none;">hyn </del>roedd y chwareli wedi cau, ond fe'u hail-agorwyd yn y 1920au cynnar.</div></td><td class="diff-marker" data-marker="+"></td><td style="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;"><div>Roedd '''Seidin Chwarel Treflan''' yn ffurfio lŵp oddi ar brif lein [[Rheilffyrdd Cul Gogledd Cymru]] rhwng gorsafoedd [[Gorsaf reilffordd Waun-fawr|Waunfawr]] a [[Gorsaf reilffordd Betws Garmon|Betws Garmon]]. O seidin y cwmni <ins style="font-weight: bold; text-decoration: none;">rhedai </ins>tramffordd o'r un lled ar draws Afon Gwyrfai at chwareli llechi Treflan a Garreg-fawr a'r cloddfeydd carreg haearn ar y llethrau gyferbyn. Roedd y <ins style="font-weight: bold; text-decoration: none;">dramffordd </ins>wedi ei hadeiladu (a wagenni'n cael eu trawslwytho o bosibl ar y brif lein), ond mynnodd y cwmni carreg haearn gael cysylltiad a gosodwyd pwyntiau a set o seidins yma ym 1901-2. Erbyn <ins style="font-weight: bold; text-decoration: none;">hynny </ins>roedd y chwareli wedi cau, ond fe'u hail-agorwyd yn y 1920au cynnar.</div></td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker"></td><td style="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;"><div>==Ffynonellau==</div></td><td class="diff-marker"></td><td style="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;"><div>==Ffynonellau==</div></td></tr> </table>

Cyfaill Eben https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Seidin_Chwarel_Treflan&diff=4574&oldid=prev 2018-10-23T08:52:37Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="cy"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Fersiwn hŷn</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Fersiwn yn ôl 09:52, 23 Hydref 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5">Llinell 5:</td> <td colspan="2" class="diff-lineno">Llinell 5:</td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker"></td><td style="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;"><div>[[Categori:Seidins a ierdydd rheilffordd]]</div></td><td class="diff-marker"></td><td style="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;"><div>[[Categori:Seidins a ierdydd rheilffordd]]</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="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;"><div>[[Categori:<del style="font-weight: bold; text-decoration: none;">Rheilffordd Sir Gaernarfon</del>]]</div></td><td class="diff-marker" data-marker="+"></td><td style="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;"><div>[[Categori:<ins style="font-weight: bold; text-decoration: none;">Rheilffyrdd Cul Gogledd Cymru</ins>]]</div></td></tr> </table>

Irion https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Seidin_Chwarel_Treflan&diff=885&oldid=prev 2017-11-23T19:18:40Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="cy"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Fersiwn hŷn</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Fersiwn yn ôl 20:18, 23 Tachwedd 2017</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5">Llinell 5:</td> <td colspan="2" class="diff-lineno">Llinell 5:</td></tr> <tr><td class="diff-marker"></td><td style="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;"><br></td><td class="diff-marker"></td><td style="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;"><br></td></tr> <tr><td class="diff-marker"></td><td style="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;"><div>[[Categori:Seidins a ierdydd rheilffordd]]</div></td><td class="diff-marker"></td><td style="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;"><div>[[Categori:Seidins a ierdydd rheilffordd]]</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="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;"><div><ins style="font-weight: bold; text-decoration: none;">[[Categori:Rheilffordd Sir Gaernarfon]]</ins></div></td></tr> </table>

Irion https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Seidin_Chwarel_Treflan&diff=822&oldid=prev 2017-11-21T10:12:03Z

<p>Erthygl newydd</p> <p><b>Tudalen newydd</b></p><div>Roedd &#039;&#039;&#039;Seidin Chwarel Treflan&#039;&#039;&#039; yn ffurfio lŵp oddi ar brif lein [[Rheilffyrdd Cul Gogledd Cymru]] rhwng gorsafoedd [[Gorsaf reilffordd Waun-fawr|Waunfawr]] a [[Gorsaf reilffordd Betws Garmon|Betws Garmon]]. O seidin y cwmni redai tramffordd o&#039;r un lled ar draws yr Afon Gwyrfai at chwareli llechi Treflan a Garreg-fawr a&#039;r cloddfeydd carreg haearn ar y llethrau gyferbyn. Roedd y tramffordd wedi ei hadeiladu (a wagenni&#039;n cael eu trawslwytho o bosibl ar y brif lein), ond mynnodd y cwmni carreg haearn gael cysylltiad a gosodwyd pwyntiau a set o seidins yma ym 1901-2. Erbyn hyn roedd y chwareli wedi cau, ond fe&#039;u hail-agorwyd yn y 1920au cynnar.<br /> <br /> ==Ffynonellau==<br /> J.I.C. Boyd, &#039;&#039;Narrow Gauge Railways in South Caernarvonshire&#039;&#039;, (Oakwood, 1988), tt.194-5<br /> <br /> [[Categori:Seidins a ierdydd rheilffordd]]</div>

Irion