Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Improvements Incandescent Gas Burners, patent
Notice of acceptance for the application with a complete specification for a patent for Improvements connected with incandescent gas burners. No. 16918 dated 29th June, 1923.
2 pages printed in black ink on cream paper.
Pwnc
Diwydiant
Rhif yr Eitem
70.1I/2
Derbyniad
Purchase, 2/1/1970
Mesuriadau
Meithder
(mm): 250
Lled
(mm): 191
Deunydd
papur
Lleoliad
In store
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