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Improvements in Velocipedes

Description: Patent for improvements to a single-wheel velocipede.
Date: June 20, 1869
Creator: Dillaha, J. G.
Partner: UNT Libraries Government Documents Department

Improved Mode of Extracting Essences.

Description: Patent for improvements in extracting essences from objects inserted into a new contraption. The patent includes instructions and an illustration.
Date: August 13, 1867
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Improvement in Coffee-Pot.

Description: Patent for improvements to a coffee pot. The patent includes instructions and an illustration.
Date: August 20, 1867
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Improved Ship-Viameter.

Description: Patent for improvements in ship viameters.
Date: August 27, 1867
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Improvement in Hot-Air, Steam, and Water-Gauge.

Description: Patent for improvements in hot air, harmonic steam, and water gauges: "In this invention several tubes pass through the boiler, some under and some above the water, through which currents of air are induced by the heat of the water or steam surrounding them" (lines 8-9).
Date: October 8, 1867
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Improved Power-Apparatus for Vehicles

Description: Patent for "improvements to powered vehicles with combined rim-wheel(s) in combination with a truck(s), resting upon the inner and lower part of the rim, and supporting a carriage-body or frame, crank-shaft. with one or more pinions, and guide-rollers." (line 8)
Date: August 17, 1869
Creator: Dillaha, J. G.
Partner: UNT Libraries Government Documents Department

Improved Grain-Meter.

Description: Patent for a more efficient grain-meter. The patent includes instructions and illustrations.
Date: September 8, 1867
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Improved Horse-Power.

Description: Patent for an improvement in horse-powers (tread-powers) by changing the construction and arrangement of the driving wheels.
Date: May 18, 1869
Creator: Dillaha, J. G.
Partner: UNT Libraries Government Documents Department
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