Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Dowty Roofmaster hydraulic powered support system
Photocopy of original 8 pages : 5 illustrations Content summary : Description and information on operation
Pwnc
Diwydiant
Rhif yr Eitem
1992.336/4
Creu/Cynhyrchu
Dowty Mining Equipment Ltd.
Dyddiad:
Derbyniad
Collected officially, 14/12/1992
Mesuriadau
Meithder
(mm): 295
Lled
(mm): 230
Techneg
photocopy
Deunydd
papur
Lleoliad
In store
Dosbarth
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