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Rotary-Engine.

Description: Patent for a new and improved rotary engine. This design consists "of a wheel provided with radially-sliding pistons and revolving within a fixed circumferential steam-chest, and having fixed on its axle an eccentric and spring, that operate to throw the pistons or floats outward to receive the pressure of the steam or other motor that is to drive the engine" (lines 19-26).
Date: January 20, 1880
Creator: Adams, James Ansley
Item Type: Refine your search to only Patent

Seed-Planter

Description: Patent for a seed planter that has a revolving set of cups that are filled with seed and then planted as the seed planter crosses a field.
Date: August 20, 1912
Creator: Adams, William M.
Item Type: Refine your search to only Patent

Vocational Education in Prisons: An Investment for Yesterday's At-Risk Youth

Description: Evaluation report documenting a study by the Texas Council on Vocational Education to assess vocational education within the Texas prison systems. The Council concluded that anyone in Texas prisons should have access to vocational education and the report includes recommendations about changes or improvements going forward.
Date: December 20, 1992
Creator: Advisory Council for Technical-Vocational Education in Texas
Item Type: Refine your search to only Report

Telephone-Transmitter.

Description: Patent for a telephone-transmitter "with a diaphragm and carbon button carried thereby, of a spring-supported flaring conical carbon-cell provided with a flange covered with soft material and resting on the carbon button carried by the diaphragm, the carbon-cell being filled with granulated carbon resting in contact with the carbon button" (lines 13-19). This is meant to optimize the volume of sound being transmitted.
Date: October 20, 1896
Creator: Alexander, Horace C.
Item Type: Refine your search to only Patent

Shock-Absorber.

Description: Patent for an "improved shock absorber adapted to be attached to the springs of an automobile or other vehicle" (lines 13-14), including illustrations.
Date: June 20, 1916
Creator: Alexander, James J.
Item Type: Refine your search to only Patent

Automobile-Headlight

Description: Patent for an improved automobile headlight function that allows the light to be pointed directly at the road in front of the wheels to avoid the glare/reflection associated with straight-forward lighting.
Date: July 20, 1915
Creator: Allan, William N.
Item Type: Refine your search to only Patent

Switch.

Description: Patent for a switch mechanism for use on railroads. The switch can be installed without cutting the railroad tracks. Instructions and illustrations are included.
Date: March 20, 1917
Creator: Allen, Gus V.
Item Type: Refine your search to only Patent

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the construction and novel arrangement of the fork-shaped draw-heads having under-beveled bearings between the branches, the slotted coupler-bars having hook-lugs in front of the slots and adapted to interlock, the side bearings or ledges on each side of each hook-lug, designed to support the sides of the bar and to allow the hook-lugs to enter the slots in coupling" (lines 19-27).
Date: June 20, 1882
Creator: Anderson, Lee
Item Type: Refine your search to only Patent

Hame Fastener.

Description: Patent for a new and improved hame fastener. This design consists, "with the bar provided with a rack and longitudinal ways, of the housing provided at each end with downwardly and inwardly projecting lugs engaging said ways, and a spring provided with a stop, the link seated in a groove on the housing provided with a finger-hold, and an offset on said link adapted to strike against a projection on the spring for limiting the movement of said link" (lines 64-73).
Date: May 20, 1890
Creator: Anderson, Lee
Item Type: Refine your search to only Patent

Top Prop.

Description: Patent for a new and improved top-props for carriages. This design consists "[i]n combination with an arm having perforations and slot, plate provided with arm, pin, and bolt, and arms . . . secured, respectively, to the arm and the carriage-top" (lines 76-80).
Date: May 20, 1890
Creator: Anderson, Lee
Item Type: Refine your search to only Patent

Chair for Railroad Rails.

Description: Patent for a new and improved chair for railroad rails. This design utilizes a metal key and wrought-iron straps so that "the rails are held firmly both laterally and vertically, so that they are kept level at the joint and any sagging is prevented. At the same time endwise movement by expansion or contraction is not hindered, and the chairs being fastened to the ties, the expansion and contraction will take place entirely between the several chairs" (lines 49-57).
Date: February 20, 1883
Creator: Armstrong, Charles & Abbott, George
Item Type: Refine your search to only Patent

Cotton-Chopper

Description: Patent for cotton chopper attachment for wheeled cultivators that allowed the user to "cut or chop out portions of the cotton row so that the growth of the remaining cotton is facilitated."
Date: October 20, 1914
Creator: Arthur, George P.
Item Type: Refine your search to only Patent

Motormeter-Anchor.

Description: Patent for a new Motormeter-Anchor: a device that will "provide a means whereby a motormeter can be anchored securely to the radiator of an automobile, thus making theft of same impossible, or difficult that it will not be attempted" (lines 8-12).
Date: September 20, 1921
Creator: Ashton, William James
Item Type: Refine your search to only Patent

Corn Planting Attachment.

Description: Patent for a new and improved attachment for planters. This design consists in "the combination of a standard having a seed box at its upper end provided with a longitudinal groove in the upper side of the bottom, and with slots in the end walls registering with the groove and having an arm projecting laterally from the lower end, a wheel journaled upon the said arm, a seed-slide in the groove, a bell-crank fulcrumed upon a rearwardly-projecting bracket of the box, a connecting-rod pivoted to t… more
Date: March 20, 1888
Creator: Aten, Frank L.
Item Type: Refine your search to only Patent

Spring Wheel.

Description: Patent for new and useful improvements in spring wheels sufficient to enable it to successfully stand up under the shocks and jars to which such wheels are ordinarily subjected, while at the same time having all the wearing qualities and resiliency of the pneumatic tire.
Date: May 20, 1920
Creator: Atkinson, George C.
Item Type: Refine your search to only Patent

Advertising Device.

Description: Patent for "a simple and inexpensive advertising device adapted to be placed on street corners and other public places and capable of exciting the curiosity and attracting attention, and thereby directing the attention of persons to the advertisement" (lines 11-16).
Date: March 20, 1894
Creator: Attaway, Henry F.
Item Type: Refine your search to only Patent
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