Improvement in Plows. (open access)

Improvement in Plows.

Patent for the invention of a new and improved type of adjustable plow, including illustrations.
Date: March 31, 1874
Creator: White, Moses F.
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 lever pivoted in the front of the top of the draw-head and provided at its outer end with an aperture, through which the coupling-pin is passed into the aperture in the draw-head, below which lever another lever is pivoted, hanging vertically across the front-opening of the draw-head, and provided at the upper part of its inner edge with a projection, so that when the coupling-link pushes the lower lever inward the upper lever and the pin are raised, and drop as soon as the link has passed into the draw-head" (lines 10-21).
Date: January 31, 1882
Creator: Griffin, James Lee
System: The Portal to Texas History
Planter. (open access)

Planter.

Patent for a planter in which "the seed-dropping mechanism is adjustable to suit the nature of the seed to be planted and to drop the same closer together or farther apart, as desired." (Lines 13-16) Includes instructions and illustrations.
Date: August 31, 1897
Creator: Rausheck, John E.
System: The Portal to Texas History
Mail-Holder. (open access)

Mail-Holder.

Patent for a mail holder which has slots for different types of mail organized by letter, which can be carried in the mail delivery vehicle thus letting the mail only be sorted once.
Date: March 31, 1908
Creator: Hill, Thomas A.
System: The Portal to Texas History
Timber Hewing Machine (open access)

Timber Hewing Machine

Patent for a timber hewing machine. This invention is designed for hewing timbers or railroad ties. Illustration included.
Date: July 31, 1906
Creator: Melton, William K. & King, James G.
System: The Portal to Texas History