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Title: Speaker,case made of phenol formaldehyde, with on/off volume [Go to resource]
Description: Speaker,case made of phenol formaldehyde, with on/off volume control, made in England by GEC, 1920-1040 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Speaker Temporal: 1920-1940 Source: Science Museum Creator: GEC Identifier: 2005-247 Go to resource More Like this...
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