Davies' patent ampere meter

Made:
Westminster
Davies' patent ampere meter, no. 17667, by Muirhead and Co

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Davies' patent ampere meter, no. 17667, by Muirhead and Co
Science Museum Group
© The Board of Trustees of the Science Museum

Davies' patent ampere meter, no. 17667, by Muirhead and Co. Westminster

Details

Category:
Telecommunications
Object Number:
1989-998
type:
ampere
credit:
Muirhead Vactric Components Limited