Radios and Radio Equipment-Pre 1921

Featured here are radios (and components) built before the beginning of commercial radio broadcasting in 1921.

Wireless Specialty Eaton Oscillator

A. W. Bowman Spark Key

Murdock Spark Key

Antenna Switches

Western Electric SCR-68 Transceiver

Navy CN-113 Receiver

Crystal Detectors

E. Q. Williams Spark Coil