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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
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
Object type
standards
15
Place
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
Material
boxwood
1
metal
1
second key missing from pt2.
1
Date
From
To
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Profs. Ayrton and Perry standard inductance
Pair of Clark standard cells in one case
Clark standard cell
Clark standard element (cell) no. 142
1872
Campbell variable mutual standard inductance no. L-13769
Standard resistor no. 4644
Electrically maintained tuning fork, by Muirhead
Standard condenser no. 30510
1911
Pair of Clark standard cells in one case
Clark standard cell no. 1297 by Nalder Brothers and Co.
Standard air capacitor
1/3 microfarad standard condenser
1892
Pair of turned wooden standards, English, 1880-1920
Pair of turned wooden standards
1880-1920