EG&G PARC Princeton Applied Research Model 362 Scanning Potentiostat

EG&G Princeton Applied Research 273A Potentiostat/Galvanostat

PRINCETON APPLIED RESEARCH POTENTIOSTAT/ GALVANOSTAT 263A

Princeton Applied Research PAR 371 Potentiostat/Galvanostat

EG&G Princeton Applied Research 1254 Silicon Intensified Target Detector Head

EG&G Princeton Applied Research 5208 Two Phase Lock-in Analyzer WORKING

EG&G Princeton Applied Research 5207 Lock-in Amplifier. *** Working!! ***

Princeton Applied Research 174/50 AC Polarographic Analyzer