EG&G Ortec FG424 Gain & Offset Control NIM BIN Plug-In Module Missing Screw

EG&G Ortec 421 Integral Discriminator Nim Bin Plug-IN Module #2

EG&G Ortec 9302 Amplifier Discriminator Plugin Card Module

Ortec Dual Amplifier 4652 for NIM Bin

ORTEC 9302 Amplifier Discriminator Module – Tested Power-On

Ortec 453 Constant Fraction Timing Discriminator NIM Plug In Module

EG&G Ortec 9302 Amplifier Discriminator Plugin Card Module #2

EG&G Ortec 457 Biased Time to Pulse Height Converter Instrument