Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Papes re. traffic control lights, 1958
2001.142/37 (1 of 3) - covering letter written by C.H. Watkins. Diagram drawn in pencil on reverse. 2001.142/37 (2 of 3) - page 1 of handwritten letter giving details of invention for improved traffic control lights. 2001.142/37 (3 of 3) - page 2 of handwritten letter giving details of invention for improved traffic control lights.
Pwnc
Diwydiant
Rhif yr Eitem
2001.142/37
Historical Associations
Associated Person/Body: Watkins, Charles Horace
Association Type: Associated person
Date: 04/1958
Associated Person/Body: Automatic Telephone & Electric Co. Ltd.
Association Type: Company name
Date: 04/1958
Place: Liverpool
Derbyniad
donation, 22/8/2001
Mesuriadau
Meithder
(mm): 230
Lled
(mm): 178
Deunydd
Paper
Lleoliad
In store
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