Canberra Industries - PTI Discriminator Model 932 - Stirrup Nuclear Division

Chronetics Model 154 Dual Discriminator Module

Canberra Discriminator Model 1432

vintage hp 522b-58b amplitude discriminator tube module 5963 [2*OO-110]

vintage hp 522b-58b amplitude discriminator tube module 5963 [2*U-39]

^^ ORTEC 9302 Amplifier Discriminator NIM BIN Module (KVX5)

UP TO 2 NEW TEKTRONIX ELECTRON TUBES 154-0260-00

Chronetics Model: M154 Nim Bin Module (*)