Physical description
Boron Triflouride neutron proportional counter. Long glass tube covered in black enamel
Inscriptions & markings
Cello taped label: “20th Century Electronics” “Type G.60 Operate at 1250 Volts No. KK854” “Made in England”
Boron Triflouride neutron proportional counter. Long glass tube covered in black enamel
Cello taped label: “20th Century Electronics” “Type G.60 Operate at 1250 Volts No. KK854” “Made in England”