Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
The Maintenance of Winding Engines (book)
145 page information handbook with blue and black covers. Content summary - introduction to winding systems for electrical and mechanical personnal involved in the routine maintenance of winding engines.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.