Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Patent
U.S.A. letters patent issued to Charles Horace Watkins re. sparking plugs. Patent number '1263719', dated 23rd April 1918. Contains a diagram with two page description bound with blue tape with red paper seal bottom left.
Pwnc
Diwydiant
Rhif yr Eitem
1998.1/38
Derbyniad
Donation, 5/1/1998
Mesuriadau
folded
(mm): 306
folded
(mm): 104
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.