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Cotton-Gin.

Description: Patent for cotton gin, which includes a huller roller, seed bar, and seed grate to separate and remove seeds from the cotton. Ginning points/pins are used instead of saws. Due to the positioning of the ginning points/pins, the surface of the ginning cylinder in its entirety is available for ginning and there are fewer mechanical friction points.
Date: October 17, 1911
Creator: Hollingsworth, Joseph C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Airship

Description: Patent for a dirigible airship for aerial navigation, "to provide the balloon or gas bag with aeroplanes which serve to steady the balloon during the flight of the ship, and to increase the lifting power of the balloon when the ship is under motion, the arrangement being such as to enable said aeroplanes to be converted into a parachute, should the balloon or gas bag become deflated" (lines 20-28).
Date: January 17, 1911
Creator: Keller, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Apparatus for Transmitting Sound-Waves

Description: Patent for transmitting sound waves by magnetic induction and to "furnish an apparatus by which these different vibrations can be heard at the receiving end" (lines 20-22). Includes descriptions and illustrations.
Date: October 17, 1911
Creator: Harvey, Fred Brown
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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