Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Maenofferen slate quarry, slide
Collection of slides forming lecture "Rails in the Slate Industry" by D.R. Geering, UMIST 3rd year Mechanical Engineering Projects, c.1975 (copy of lecture notes in related material).
the construction of the pulleys and the arrangement of the counterweight
Pwnc
Diwydiant
Rhif yr Eitem
2012.60/174
Mesuriadau
Meithder
(mm): 50
Lled
(mm): 50
Uchder
(mm): 2
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.