Image:WrightWingWarpinging.jpg

Description: Diagram of Wright brothers' 1899 kite, showing wing bracing and strings attached to hand-held sticks used for warping the wings while in flight.

Used in evidence circa 1920 in a patent lawsuit.

Source: Part of "The Dream of Flight" online exhibit in the American Treasures section at the U.S. Library of Congress.

Image with narrative text at this location: http://www.loc.gov/exhibits/treasures/wb-achieve.html

Image only at this location: http://www.loc.gov/exhibits/treasures/images/wb0056s.jpg

Author: Wilbur or Orville Wright

This work is in the public domain in the United States and the source country. In most cases, this means that its copyright expired under the law of the source country and it was either published prior to January 1, 1923 or its copyright also expired under the law of the United States. Its copyright has also expired in those countries with a copyright term of life of the author plus 50 years or less. To the uploader: please provide relevant publication and authorship details. For non-US works, consider attaching a country-specific tag if available.

Note that in some countries this image might not be in the public domain (this especially applies in 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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