Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Koepe Winders (booklet)
Content summary - A general review of Koepe Winders. From a paper by T.H. Petch, British Thomson-Houston Industrial Engineering Department, given at Johannesburg and Northern Rhodesia, 1953' 18 pages.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.