Stud switch, by Muirhead and Co. Ltd.

Stud switch, by Muirhead and Co. Ltd.

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Stud switch, by Muirhead and Co. Ltd.
Science Museum Group
© The Board of Trustees of the Science Museum

Stud switch, by Muirhead and Co. Ltd.

Details

Category:
Telecommunications
Object Number:
1989-1068
type:
studs
credit:
Muirhead Vactric Components Limited