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Measuring Wheel.

Description: Patent for a new and improved measuring-wheel. This design "relates to the construction of an instrument whereby lineal measurements may be taken and automatically registered where the distance is greater than the circumference of the measuring-wheel. The invention consists of a graduated wheel in the slot of a bifurcated handle, and of an automatic registering attachment" (lines 7-14).
Date: June 29, 1886
Creator: McCaleb, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Balanced Slide Valve.

Description: Patent for a new and improved balanced slide-valve. This design consists in a "Steam-chest, a valve sliding therein, a chamber on top of the steam-chest, and a diaphragm in the top of the chamber and secured by a cap or plate, in combination with a frame having a packing-box and gland, an adjustable threaded stem or bolt passing through the frame, and the double-link connection between the said stem and valve" (lines 90-97).
Date: October 12, 1886
Creator: Bettis, William Irvin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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