Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
W.G. Allen & Sons Ltd. colliery equipment drawings
Engineering Drawing Arrangement of 3 deck aluminium alloy pit cage for Gresford Colliery. August 1956, Drg.No.11067/1b Scale : 1" to 1 foot
Pwnc
Diwydiant
Rhif yr Eitem
87.178I/1
Mesuriadau
Meithder
(mm): 617
Lled
(mm): 892
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