Ffotograffiaeth Gwaith Phurnacite Hans Hoyer...
Ffotograffiaeth Ddiwydiannol Hans Hoyer 1960au
Phurnacite Plant Abercwmboi
Navigation Colliery
Effects of the Phurnacite Plant on the...
Workers at Navigation Colliery
Nixon's Colliery Engine House and Waddle Fan
Crown Buildings Aberdare
View down the valley with the Phurnacite Plant
Bwllfa Colliery Cwmdare
Gadlys Pit site
Gadlys Bridge
Aberaman pipeworks
Nantmelyn (Bwllfa No. 2) Colliery
Bwllfa Colliery
Fforchaman Colliery 2
Fforchaman Colliery 1
Diwydiant a masnach yn y Drenewydd
Hysbysebion a Llongau Tanfor
Hysbyseb am deunyddiau a dilladau (1915)
Kerry Tramway