alb9017857

Tape Recorder; Valdemar Poulsen's Telegraphone; a magnetic tape recorder using thin steel ribbon. 1907.

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Caption:

Tape Recorder; Valdemar Poulsen's Telegraphone; a magnetic tape recorder using thin steel ribbon. 1907.

Credit:

Album / World History Archive

Releases:

Model: No - Property: No
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Image size:

9095 x 6917 px | 180.0 MB

Print size:

77.0 x 58.6 cm | 30.3 x 23.1 in (300 dpi)

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