Detector, Capacitance/Condenser 1

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Item Detector, Capacitance/Condenser 1
Item code
Description Condenser plate
Manufacturer Petty Geophysical
Circa 1931
Model
Donor
Location HGC
Serial number
Taxonomy IMG5026A

Two wires from the condenser plates in the detector were connected to an oscillating electronic circuit whose output current varied in practically a straight line relationship with the distance between the condenser plates. Amplification was relatively constant between two and seventy cycles per second.

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