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Calf Weaner. (open access)

Calf Weaner.

Patent for a new and improved device for weaning calves. This design is "to be attached to the central cartilage of the calf's nose . . . with sharp points that come against the cow's bag when the calf attempts to suck; and the invention consists in attaching the parts . . . together like a pivot, forming a part of one of the points and adapting them to be held closed by means of a small screw, whereby the device is rendered very cheap, yet effective and reliable" (lines 15-25).
Date: May 29, 1883
Creator: Geissler, William F.
Object Type: Patent
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "consists in a car-coupling formed of two coupling-hooks pivoted on a pivot projecting from the bottom of the car, which coupling hooks pass through an inverted-V-shaped guide-slot in the guide-plate, held in front of the pivot, and the said coupling-hooks are connected with a vertically-moveable bar for raising the coupling-hooks. The coupling hooks are raised and their free ends are pressed together, and if then the coupling-hooks are released they swing downward and their free ends are separated" (lines 7-18).
Date: June 24, 1884
Creator: Grothaus, Frederick E.
Object Type: Patent
System: The Portal to Texas History