Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Wire Ropes (booklet)
Content summary - details of rope design and construction. Eight pages, illustrated throughout. Undated.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Content summary - details of rope design and construction. Eight pages, illustrated throughout. Undated.