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Locomotion
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Locomotion
National Railway Museum
National Science and Media Museum
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3
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0
Objects
3
Documents
0
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Image
Has Image
3
Non-Commercial Use
3
Category
Astronomy
3
Maker
EMI Electronics Limited
1
Megatron Limited
1
Weston Electrical Instrument Corporation
1
Object type
light measuring devices
3
personal property
2
astronomical instruments
1
components
1
components; astronomical instruments; light measuring devices; photomultiplier tubes
1
light measuring devices; light meters; personal property
1
light measuring devices; photocells; personal property
1
light meters
1
photocells
1
photomultiplier tubes
1
Place
Hayes
1
Hayes, Hillingdon, Greater London, England, United Kingdom
1
Luton
1
Luton, Bedfordshire, United Kingdom
1
Newark
1
Newark, New Jersey, United States
1
Material
cardboard
1
complete
1
glass
1
metal
1
plastic
1
Date
From
To
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Photomultiplier tube
1967
Weston Photronic Cell
1930-1950
Selenium photocells by Megatron Ltd.
