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RCA WF-10A WF-11A Geiger Counter - Modified with Three Geiger Tubes - Working, US $230 – Picture 0
RCA WF-10A WF-11A Geiger Counter - Modified with Three Geiger Tubes - Working, US $230 – Picture 0

Rca Wf-10a Wf-11a Geiger Counter - Modified With Three Geiger Tubes - Working

US $230

  • Newport Beach, California, United States
  • May 26th
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 RCA Geiger Counter This Geiger counter was a model WF-11A when first assembled. It has been modified to use three Geiger tubes. The instrument has been tested and shown to work with a lab-bench power supply for the HV and "D" cells connected with clip leads for the filaments. Sensitivity was good, but no calibration was attempted. As a restoration project, it will need, at a minimum, three new "D" cell battery holders as corrosion has taken its toll on the old ones. The center Geiger tube is marked:    Amperex Electronics Corp    Counter Tube Type 75 NB 3    DC Working Voltage 900 V The two edge tubes are both marked:    Anton Electronic Labs  309 The unit measures 7-3/4" x 8-1/2" x 3-1/2"

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