Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Rail hardening by the Maxhutte process, photos
15 black and white photographs attached to a large piece of paper, showing rail hardening by the Maxhutte process. Each photograph contains explanatory text handwritten alongside.
Pwnc
Diwydiant
Rhif yr Eitem
86.129I/2284
Derbyniad
Bequest, 8/9/1986
Mesuriadau
Meithder
(mm): 387
Lled
(mm): 684
Techneg
black and white (monochrome photograph)
photograph
Deunydd
papur
Lleoliad
In store
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