VINTAGE BENDIX GPH-320B Penning Gauge POWER TESTED ONLY READ

Parker Compumotor DC3 Power Supply. Tested. 12 And 53 V DC Out

EG&G Princeton Applied Research 5209 Lock-In Amplifier Powers on, Looks good

PULS SL 10 Power Supply SL10.101 tested 100% working clean

1pcs Used Nemic-Lambda Power Supply EWS50-24 Tested.

EG&G MODEL PRINCETON APPLIED RESEARCH 196 LIGHT CHOPPER

EG & G TC5 Power Supply (Used Working, 90 Day Warranty)

1pcs Used Nemic-Lambda Power Supply EWS50-24 Tested.