File:Tape Recorder 1909.pdf

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Original file (1,275 × 1,650 pixels, file size: 670 KB, MIME type: application/pdf, 5 pages)

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Description
English: Patent of Goodale
Date
Source United States Patent Office
Author Franklin C. Goodale, of Tacoma, Washington

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Tape_Recorder_1909.pdf

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28 December 1908Gregorian

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Date/TimeThumbnailDimensionsUserComment
current21:34, 21 April 2018Thumbnail for version as of 21:34, 21 April 20181,275 × 1,650, 5 pages (670 KB)Krämer.RolfUser created page with UploadWizard

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