High frequency resonator coil

High frequency resonator coil, mahogany frame

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High frequency resonator coil, mahogany frame
Science Museum Group

High frequency resonator coil, mahogany frame, circular rings at ends with rods linking two, thick copper wire coiled around rods, Gaiffe, maker, Paris, France, 1900-1920. This is a small version of the D'Arsonval cage for treating a patient's arm rather than her whole body.