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Image
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2
Non-Commercial Use
2
Category
Farnborough
1
Meteorology
1
Maker
R&D Electronics.
1
Object type
actinometer
1
switch
1
Place
Broadstairs
1
Broadstairs, Kent, England, United Kingdom
1
Material
anodised aluminium
2
electronic components
1
glass
1
steel (metal)
1
Date
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Time delay switch type GW1 MK2
1970-1980
Sun duration sensor, actinometer, by R & D Electronics, 1997
1997
