Enmore Theatre lorry - free Christmas cake to each child, Sat. matinee...
Format: Photonegative Notes: Find more detailed information about this photograph: 22554 Search for more great images in the State Library's collections: From the collection of the State Library of New S... More
Horn loudspeaker truck 1929
A prototype horn loudspeaker driven by compressed air and an "artificial larynx" used as a portable public address system in Los Angeles, California, USA in 1929. The inventors tried to imitate human vocal cor... More
Political campaign sound truck 1940
A campaign sound truck belonging to 1940 Florida, USA, governor candidate Hans Walker, from a radio magazine. Sound trucks with public address systems were used in the US for political campaigning from the 19... More
Car urging citizens to vote, on election day
Car urging citizens to vote, on election day Car urging citizens to vote, on election day
Lautsprecherwagen Die Linke
Deutsch: Blockupy 2014 in Frankfurt am Main: Lautsprecherwagen der Linken