Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Huwood 50 Cycle Fan Cooled Coal and Stone Drill (pamphlet)
11 pages, printed in black and brown. Illustrated throughout, undated.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.