Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
W.G. Allen & Sons Ltd. colliery equipment drawings
Engineering Drawing Patent Omega flat bottom tub with steel underframe 38 cu.ft. capacity (Body Patent No.401015) Drg.No.18304/C May 1949 Scale : 3" to 1 foot
Pwnc
Diwydiant
Rhif yr Eitem
87.178I/5
Derbyniad
Collected officially, 2/10/1987
Mesuriadau
Meithder
(mm): 683
Lled
(mm): 1020
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
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