Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Modern Mining Machinery (booklet)
Content summary - details of coal face machinery manufactured by Cowlishaw, Walker & Co Ltd, Stoke on Trent. Undated. 18 pages, illustrated throughout.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.