technology_Tesla_GM20-40A_GM_tube_009
historical Czechoslovak vacuum window-type Geiger tube manufactured by Tesla - type GM20/40A
⌀13 mm mica window, alpha (>3.2 MeV) / beta (>40 keV)/ gamma detection, 1200 V working voltage
author: Jan Helebrant
license CC0 Public Domain Dedication
108
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Uploaded on February 20, 2023
Taken on February 14, 2023
technology_Tesla_GM20-40A_GM_tube_009
historical Czechoslovak vacuum window-type Geiger tube manufactured by Tesla - type GM20/40A
⌀13 mm mica window, alpha (>3.2 MeV) / beta (>40 keV)/ gamma detection, 1200 V working voltage
author: Jan Helebrant
license CC0 Public Domain Dedication
108
views
0
faves
0
comments
Uploaded on February 20, 2023
Taken on February 14, 2023