This is a group for users and collectors of the test and measurement equipment made throughout much of the 20th century by General Radio (later GenRad) of Concord, Massachusetts.

Their product line included Impedance Bridges; Resistance, Capacitance, and Inductance Decades; Variac variable autotransformers; Strobotacs; Noise Sources; Sound Level Meters and Analyzers; Unit Oscillators, Amplifiers, Detectors, and Generators; and the GR-874 and GR-900 series of hermaphroditic coaxial connectors.

All who share our interests are welcome.

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Photo is of a General Radio 1607A

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You might also be interested in these other Yahoo Groups:

AILtech; EIP_Microwave
HP_8505A_Network_Analyzer
HP_Laser_Interferometers