Model of BF3 neutron proportional Geiger counter

Made:
1954 in England
maker:
Centronic Limited
and
Twentieth Century Electronics Limited

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Model of BF3 neutron proportional Geiger counter, made by staff at 20th Century Electronics in 1954. In January 1953, the UKAEA at Harwell wanted 20th Century Electronics to produce a range of Geiger-Muller tubes to detect neutrons. The proposed tubes were different from ordinary GM tubes in that they had to be filled with a gas that would absorb neutrons - boron trifluoride, which was very dangerous to handle. 20th Century produced the tube commercially (they were the only people manufacturing such a type) and it sold widely all over the world.

Details

Category:
Nuclear Energy
Object Number:
2000-1509
Measurements:
base measurement: 128 mm x 75 mm,
tube: 110 mm 15 mm,
type:
counter
credit:
Gilbert Tomes

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