A blog about the Edwardian era in the UK - objects, buildings, people, literature, film and all other aspects of the Edwardian era (covering 1901-1919)
Tuesday 26 June 2012
Auxetophone, 1903
This bizarre device, consisting of a huge horn (above) and a valve (below) was invented by Charles Parsons in Newcastle in 1903, and is an early device for amplifying sound, using air resonance to amplify the noise through the horn.
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