Early Digital Radiometer Gamma Scientific DR2 Vintage Test Equipment

Gamma Scientific DR-1600 Radiometer/Photometer

Vintage 1930’s General Radio Strobotac Scientific Pulse Strobe Light 631-B

VALHALLA SCIENTIFIC 2190 ISOLATED DIGITAL TO ANALOG CONVERTER

Gamma Scientific model DR-2000 Radiometer / Photometer - Clean

New SPER Scientific Light Meter LUX/FC Model 840022 w/ Soft Case

VALHALLA SCIENTIFIC 4314A DIGITAL IGNITER TESTER - A

Gamma Scientific Model D-46A Photomultiplier Detector with GT-15 Shutter