Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Coal Face Supports (booklet)
Full title - National Coal Board Mining Department Instruction. Coal Face Supports. PI/1964/3. Six page booklet, revised edition.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.