Image: Dyer Airship Patent Drawing Page 1
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Description: A drawing included in the 1874 US patent for an "Apparatus for navigating the air". Available at: http://patentimages.storage.googleapis.com/pages/US154654-0.png It is relevant to Airship#Early_pioneers
Title: Dyer Airship Patent Drawing Page 1
Credit: Original publication: US Patent Application #154654 Immediate source: http://www.google.com/patents/US154654 - click "original image" above the drawing.
Author: Micajah Clark Dyer (Life time: 1822-1891)
Permission: Included in a 1874 US Patent Application
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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