Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Patent specification
Provisional Specification. Improvements in Aeroplanes or Flying-machines. No. 307. Date of application, 6th Jan. 1909, Complete specification left, 6th Aug. 1909 - accepted, 6th Jan. 1910. Patent applied for by James Thompson of Keighley, Yorks. 3 pages with fold out diagram containing four figures.
Pwnc
Diwydiant
Rhif yr Eitem
2001.142/1
Historical Associations
Associated Person/Body: Watkins, Charles Horace
Association Type: associated person
Date: 1909
Derbyniad
Donation, 22/8/2001
Mesuriadau
Meithder
(mm): 283
Lled
(mm): 192
Techneg
commercial printing
print
Deunydd
papur
Lleoliad
In store
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