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Image
Has Image
4
Non-Commercial Use
4
Category
Nuclear Energy
4
Maker
Twentieth Century Electronics Limited
4
20th Century Electronics (maker)
1
Object type
geiger-müller tube
3
geiger-müller counter
1
Place
New Addington
4
New Addington, Croydon, Greater London, England, United Kingdom; Surrey, England, United Kingdom
3
Surrey
3
New Addington, Croydon, Greater London, England, United Kingdom
1
Material
quenching: organic vapour
4
cathode: carbon
2
cathode: lead foil rolled on supporting copper gauze
1
Date
From
To
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Geiger counter tube, Type 26 gamma sensitive
1950-1983
Geiger-Muller tube type B6
1950-1980
Geiger-Muller tube by Twentieth Century Electronics Ltd.
1956-1985
Gamma sensitive Geiger-Müller tube
1950-1983
