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General Radio 516-C 1932 - Radio Frequency Bridge see more
© Francisco Matias
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General Radio 516-C 1932 - Radio Frequency Bridge RF impedance bridge used for LF and AM transmission measurements.
Resistance range: 0.1 ohm to 1 ohms.
Power range: 0.05% to 3% at 1Mc.
Frequency range: 500Kc to 5000Kc with supplied output transformer.
Accuracy: direct reading bridge, ± 5μf or ± 1% at 1Mc for capacity measurements, ± 0.2 Ω or ± 2% for resistance and ± 0.001 or ± 5% for power factor.

In 1915, Melville Eastham and Kerro Luscomb form the General Radio Co., in Cambridge (USA).
The company distinguished itself for the manufacture of electronic instruments, test equipment, standard precision measurement equipment.

Also in 1932

  • 20 of July - In Washington, D.C., police fire tear gas on World War I veterans, part of the Bonus Expeditionary Force, who attempt to march to the White House.
  • 22 of August - The BBC first experiments with television broadcasting. (See also Timeline of the BBC.)
  • 17 of June - Bonus Army: Around a thousand World War I veterans amass at the United States Capitol as the U.S. Senate considers a bill that would give them certain benefits.