An early 1920's amateur radio station of "3VO", owned by Pat Crow. Most of the equipment appears to be homebrew. The receiver is almost certainly a regenerative detector followed by three audio amplifier stages as needed to drive the Magnavox R-3 horn speaker. At the right is the transmitter, with hand-held carbon microphone. Under the table are several wet cell batteries, and chargers, as well as some discarded equipment.
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