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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 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
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