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Title: Two sound reproducing machines: Dousona portable gramophone, [Go to resource]
Description: Two sound reproducing machines: Dousona portable gramophone, 1925. Columbia graphophone type Q (without horn), 1898. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1925 Source: Science Museum Identifier: 1974-348 Go to resource More Like this...
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