Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Premier Naphtha Safety Lamp gas cap indicator, leaflet
Leaflet showing 'photographic reproductions of gas cap in methane (CH4) as indicated by The Premier Naphtha Safety Lamp'. Undated.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/683
Creu/Cynhyrchu
unknown
Dyddiad: 20th century
Derbyniad
Old stock, 27/2/2017
Mesuriadau
Meithder
(mm): 184
Lled
(mm): 121
Deunydd
papur
Lleoliad
In store
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