NOISE POLLUTION TESTER
This man measures noise pollution - street traffic, excessively loud speakers, motor vehicles, machinery etc, at the National Physical Laboratory, Teddington
Picture No
10150717
Media ID
44860820
Size
6336px x 8055px
(4.9MB)
Credit
Mary Evans Picture Library
Source
Unattributed photograph for Barnaby's Studios Ltd
Date
5 October 1932
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Excessively Loud Measures Noise Pollution Speakers Teddington Tester
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