RCA Radiola III, 1924
Wood case, bakelite panel. The output will drive headphones. Could drive a
loudspeaker with the Radiola Balanced Amplifier. The original price was $35.00.
From the Radiola III owner's manual: The RADIOLA III is a high grade regenerative radio receiving set especially designed for broadcasting reception. It uses two WD-11 Radiotrons which are arranged to operate as a detector and audio amplifier.