EG&G PARC PRINCETON APPLIED RESEARCH MODEL 183 REMOTE PREAMP ADAPTER

EG & G Princeton Applied Research 273A Potentiostat Galvanostat Lab. Device

Princeton Applied Research Boxcar Average 162 And 2 Gates Integrator 166’s

EG&G Princeton Applied Research Model 5209 Analog Lock-In Amplifier

EG&G Princeton Applied Research Model 162 Boxcar Averager Model 164 Integrator

^^ PRINCETON APPLIED RESEARCH MODEL 115 WIDE BAND PRE AMPLIFIER (DPA69)

PRINCETON APPLIED RESEARCH LOCK-IN ANALYZERS MODEL 5204

EG&G Princeton Applied Research 162 Boxcar Averager