Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Patent specification
Patents and Designs Act, 1907. Form No. 3 Complete Specification. No. 9050 Dated June 27th 1916. Improvements in or Connected with Sparking Plugs. Patent applied for by Charles Horace Watkins of 45 Colum Road, Cardiff. 6 pages held together top left by metal clip.
Pwnc
Diwydiant
Rhif yr Eitem
2001.142/6
Derbyniad
Donation, 22/8/2001
Mesuriadau
Meithder
(mm): 329
Lled
(mm): 204
Techneg
typed
Deunydd
papur
metel
Lleoliad
In store
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