Mae'r cwcis hyn yn gwbl angenrheidiol ar gyfer weithrediad y wefan.
Rydym yn defnyddio Google Analytics i fesur sut ydych yn defnyddio'r wefan er mwyn i ni ei wella yn seiliedig ar angen defnyddwyr.
Gall y cwcis hyn gael eu gosod gan wefannau trydydd parti a gwneud pethau fel mesur sut rydych yn gwylio fideos YouTube.
Amgueddfa Cymru
12 pages of a disbound scrapbook with two black and whites views of Bargoed viaduct and Rhymney branch, one black and white view of Ystrad Mynach viaduct, one black and white view of Hengoed Station, one black and white view of Bargoed Colliery, two black and white views of Rhymney, seven black and white views of Taff Merthyr Colliery, one black and white view of a street possibly in Bedlinog, one black and white view of a street in Rhymney, one black and white view of possibly Twyncawl, four black and white views of Ebbw Vale Steel works and one black and white view of Bedwas Colliery.
