Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Improvements Incandescent Gas Burners, patent
Patent Specification, application date June 29, 1923 No.16,918/23 210,020. Complete Accepted: Jan 24, 1924. Complete specification. Improvements connected with Incandescent Gas Burners.
4 pages printed in black ink on cream paper.
Patents documents connected with incandescent gas burners.
Pwnc
Diwydiant
Rhif yr Eitem
70.1I/1
Derbyniad
Purchase, 2/1/1970
Mesuriadau
Meithder
(mm): 282
Lled
(mm): 193
Deunydd
papur
Lleoliad
In store
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