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File:US29502 18600807 cropped.png

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Summary

Description
English: Cropped version of the single figures page from United States Letters Patent No. 29,502 "Piano" by Herman Lindeman for the "cycloid" piano manufactured and sold by Lindeman & Sons, New York, showing plan views of the assembled piano and its internal structure
Date
Source United States Patent Office
Author Herman Lindeman

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Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.

United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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7 August 1860Gregorian

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Date/TimeThumbnailDimensionsUserComment
current18:27, 2 July 2014Thumbnail for version as of 18:27, 2 July 20141,608 × 2,576 (51 KB)MireutUser created page with UploadWizard

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