Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Samson 19-Inch Coalcutters (booklet)
Content summary - booklet explaining the conctruction and components of the Samson coalcutters. 73 pages, illustrated throughout. Undated.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.