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Construction of Railroads.

Description: Patent for an improved railroad construction that consists of "an all metallic railroad which will not be very expensive, will be so strong that an accident is practically impossible, and which may be very rapidly laid" (lines 11-14).
Date: March 7, 1893
Creator: Arnold, Eliphalet L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Submarine Plow.

Description: Patent for a simple, durable, and inexpensive submarine plow that has an adjustable beam with a plow on its lower end. The invention is meant to have a beam that is "capable of easier and more effectual adjustment to suit the conditions of the operation being performed" (lines 16-18).
Date: September 11, 1894
Creator: Halton, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hasp.

Description: Patent for a hasp that "may be adjusted longitudinally to compensate for expansion or contraction of the parts to which it is applied, or which it is designed to connect, the means for adjustment being such that they may be manipulated without displacing or altering the relative positions of any of the parts of the device, and furthermore, to provide means whereby the hasp is capable of universal movement, whereby it is operative irrespective of the planes in which the surfaces of the connected… more
Date: February 5, 1895
Creator: Hutton, Milton Calhoun
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Earth-Auger.

Description: Patent for an earth-auger meant to dig post-holes. It has a lateral "cutting-edge and a continuous cutting-edge from its point to its top, said cutting-edge receding continuously and uniformly from the axis of rotation of the tool, whereby it cuts from the center outward and gradually widens or increases the diameter of the hole at any given point until this point is reached by the periphery of the ears or basin at the top of the bit, and, furthermore, to provide means for packing or smoothing … more
Date: January 28, 1896
Creator: Pederson, Hans
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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