Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Thornton-Gray lamp, instructions
'Instructions for the Use of the Thornton-Gray Gas Detecting Lamp' and 'Charging Instructions for Type 4c Gray Sussman Miners' Lamp Accumulators'. Two pages, undated.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/684
Derbyniad
Old stock, 27/2/2017
Mesuriadau
Meithder
(mm): 260
Lled
(mm): 205
Deunydd
papur
Lleoliad
In store
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