Double current telegraph key

maker:
Muirhead and Company Limited
Double current telegraph key, made by Muirhead and Co. Ltd

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Double current telegraph key, made by Muirhead and Co. Ltd
Science Museum Group
© The Board of Trustees of the Science Museum

Double current telegraph key, made by Muirhead and Co. Ltd., serial No. 33500

Details

Category:
Telecommunications
Object Number:
1968-464
type:
telegraph key
credit:
Baker, R.L.