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Title: Noise Generator, type 1405, from the Occupational Health Dep [Go to resource]
Description: Noise Generator, type 1405, from the Occupational Health Department of the London School of Hygiene and Tropical Medicine, by Bruel and Kjaer, Copenhagen, Denmark, 1970-1990 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Bruel and Kjaer (maker) Identifier: 1992-559/3 Go to resource More Like this...
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