Galvanometer reversing switch, No. 42702, by Muirh

maker:
Muirhead and Company Limited

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Galvanometer reversing switch, no. 42702, by Muirhead and Co. Ltd.

Details

Category:
Telecommunications
Object Number:
1989-1000
type:
galvanometers and switches galvanometers and switches galvanometers and switches
credit:
Muirhead Vactric Components Limited