Johns Hopkins University Press
  • Radio DocumentsBroadcasting, Sound Archiving, and the Rise of Radio Studies in Interwar Germany
  • Carolyn Birdsall
Fig. 1. "A playback machine with an electrical (sound amplification) box, connected with radio reception." (Source: Doegen, Jahrbuch des Lautwesens 1931, 122.)
Fig. 1.

"A playback machine with an electrical (sound amplification) box, connected with radio reception." (Source: Doegen, Jahrbuch des Lautwesens 1931, 122.)

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This work is licensed under a Creative Commons Attribution 4.0 International License.