Carpenter relay type 3E2, patent nos 315472, 31548

Carpenter relay type 3E2, patent nos 315472, 315482, 315496 and 55047, by the Telephone Manufacturing Co. Ltd.

Details

Category:
Telecommunications
Object Number:
1989-1110
type:
carpenters, relays relays carpenters, relays
credit:
Muirhead Vactric Components Limited
status:
Permanent collection

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