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Airship

Description: Patent for an airshape. This invention is of a helicopter design. Illustration included.
Date: January 21, 1913
Creator: Darche, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Aerocompass.

Description: Patent for an aerocompass, which improves upon a compass combined with inclinometers or map-boards. It is intended for use on submarines, airplanes, or in an area when it would be difficult to use a regular compass.
Date: January 8, 1918
Creator: Fischer, Fred Charlie.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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