The Wappler Galvano-Sine was a machine that used electrotherapy to cure a variety of medical complaints. It produced continuous or pulsating currents. Electrode pads were connected to a patient, and the current could increase in intensity until a patient's tolerance had been reached. Thes technology was made by American Cystoscope Makers, Inc., USA, 1938-1950

Continue >>

All images courtesy of the Bakken Museum