Geiger counter type M6H (Halogen Quenched) by 20th Century Electronics

Made:
1951-1978 in New Addington
maker:
Twentieth Century Electronics Limited

Geiger counter type M6H (Halogen Quenched) by 20th Century Electronics; gamma sensitive, used for medical applications (checking radioactivity in liquids)

Details

Category:
Nuclear Energy
Object Number:
1981-1374
Materials:
cathode: spiral wire chrome iron and quenching: halogen
type:
geiger-müller tube
credit:
Jones, B.