Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Operators' Handbook for ''AB'' Coal Cutters
'Instructions for the Care and Handling of ''A.B.'' Fifteen and ''A.B.'' Twelve Coal Cutters. 83 pages, illustrated throughout.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.