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12
Non-Commercial Use
12
Category
Telecommunications
12
Hand and Machine Tools
2
Pharmacy-ware
1
Collection
Sir Henry Wellcome's Museum Collection
1
Object type
standards
15
Maker
Muirhead and Company
4
Nalder Brothers and Company
4
Nalder Brothers and Company (maker)
4
Muirhead and Company Limited
2
Cambridge Instrument Company Limited
1
Cambridge Scientific Instrument Company Limited
1
Muirhead and Co. Ltd. (maker)
1
Warden, Muirhead and Clark (maker)
1
Place of origin
Westminster
9
Westminster, London, England, United Kingdom
6
Westminster, London, England, United Kingdom
2
England
1
England, United Kingdom
1
London
1
London, England, United Kingdom
1
Westminster, London, England, United Kingdom
1
Date
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To
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Clark standard cell
Electrically maintained tuning fork, by Muirhead
Profs. Ayrton and Perry standard inductance
Standard resistor no. 4644
Clark standard element (cell) no. 142
1872
Pair of Clark standard cells in one case
Campbell variable mutual standard inductance no. L-13769
Standard condenser no. 30510
1911
Pair of Clark standard cells in one case
1/3 microfarad standard condenser
1892
Clark standard cell no. 1297 by Nalder Brothers and Co.
Standard air capacitor
Pair of turned wooden standards, English, 1880-1920
Pair of turned wooden standards
1880-1920