Keywords: BroxSistersRadioTeddyBear.jpg 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 Bain News service photo via Library of Congress site http //hdl loc gov/loc pnp/ggbain 37038 Not dated c mid 1920s Unnamed photographer for Bain News Service PD-Bain 1920s portrait photographs Brox Sisters Teddy bears People listening to radios Historical loudspeakers Radio in the 1920s 1920s fashion Dresses 20th-century hair fashion |