An inscription on the front of this device reads “GARFIELD / MEDICAL APPARATUS CO. / NEW YORK / SERIAL NO. 1003.” Garfield Medical Apparatus Co., a partnership of Milton and Lily Fink, was in business in New York by 1944. In 1950, the Federal Communications Commission found that diathermy apparatus interfered with authorized communication services.
Ref: Garfield Medical Apparatus Co., Technique for Low Voltage Generators and Short Wave Generators (New York).
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