BroxSistersRadioTeddyBear
Autor/Urheber:
Unnamed photographer for Bain News Service
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4729 x 3403 Pixel (7172054 Bytes)
Beschreibung:
The Brox Sisters, tuning a radio. Left to right, Patricia, Bobbe, Loryane. Radio broadcasting began in the US around 1920, and at the time of this picture radio listening was an exciting new high-tech pastime. Vacuum tube radio receivers (shown) which became available about that time could drive loudspeakers, allowing the whole family to listen together, unlike the previous crystal radios which required earphones so only one person could listen at a time. Early receivers used horn loudspeakers (shown) to get adequate volume from the low gain early tubes.
Kommentar zur Lizenz:
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Dieses Werk stammt aus der George Grantham Bain-Sammlung der Library of Congress. Laut der Bibliothek gibt es keine bekannten Copyright-Einschränkungen in der Verwendung dieses Werkes. |  |
Lizenz:
Public domain
Credit:
Bain News service photo via Library of Congress site [1]
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