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Title: Telephone operator's headset made by Siemens, German [Go to resource]
Description: Telephone operator's headset made by Siemens, German, c. 1940 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1940 Source: Science Museum Creator: Siemens (maker) Identifier: 1984-631 Go to resource More Like this...
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