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Baling-Press.

Description: Patent for certain new and useful improvements in baling presses.
Date: May 17, 1898
Creator: Holmgreen, Julius H.
Partner: UNT Libraries Government Documents Department

Ice Making and Blocking Machine.

Description: Patent for a new and improved ice machine. This design consists in "the combination of a non-conductive casing containing a freezing tank having water supply and discharge pipes, a water-tight diaphragm supported in said casing above the bottom of said tank having downwardly-tapered hollows in its upper surface and corresponding upwardly-tapered molds in its under surface, and a refrigerating medium contained within the said casing over said diaphragm and filling the hollows in the latter" (lin… more
Date: May 17, 1887
Creator: Knox, George F.
Partner: UNT Libraries Government Documents Department

Expanding Hub.

Description: Patent for certain new and useful improvements in metallic vehicle wheel hubs, including instructions and illustrations.
Date: May 17, 1898
Creator: Vollrath, Louis F.
Partner: UNT Libraries Government Documents Department

Automatic Railway Switch Lock

Description: Patent for an automatic railway switch lock. Illustration included.
Date: May 17, 1904
Creator: Sulfer, Charles
Partner: UNT Libraries Government Documents Department

Gradometer.

Description: Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date: May 17, 1921
Creator: Hall, Sidney Wilson
Partner: UNT Libraries Government Documents Department

Apparatus for Dispensing Oil, &c.

Description: Patent for a new and useful apparatus for dispensing oil, &c.
Date: May 17, 1898
Creator: Haye, August
Partner: UNT Libraries Government Documents Department
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