Ludlum Model 44-9 Pancake G-M
Eberline Model HP-210 Pancake G-M
Ludlum Model 44-6 Sidewall G-M
Ludlum Model 44-2 Gamma Scintillator
Ludlum Model 44-3 Low-Energy Gamma Scintillator
Ludlum Model 44-89 Square-Cluster Pancake G-M
Ludlum Model 43-5 Alpha Scintillator