Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Patent specification
Patents and Designs Acts. 1907-1919. Form No. 3 Complete Specification. No. 22090 Dated September 8th 1920. Improvements in or Connected with the Trolley Heads of Electric Tramcars. Patent applied for by Charles Horace Watkins of 45 Colum Road, Cardiff. 5 pages held together top left by metal clip.
Pwnc
Diwydiant
Rhif yr Eitem
2001.142/7
Historical Associations
Associated Person/Body: Watkins, Charles Horace
Association Type: Associated person
Date: 1920
Place: 45 Colum Road
Derbyniad
donation, 22/8/2001
Mesuriadau
Meithder
(mm): 329
Lled
(mm): 204
Techneg
Typed
Deunydd
Paper
Metal
Lleoliad
In store
Dosbarth
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