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Beamless Brake

Description: Patent for a beamless brake for rail cars. Illustration included.
Date: September 27, 1904
Creator: Saling, Thomas W. & McKiel, James B.
Partner: UNT Libraries Government Documents Department

Air-Brake

Description: Patent for an air brake for trains that reduces jerking when the brakes are applied.
Date: February 6, 1912
Creator: Mead, William E.
Partner: UNT Libraries Government Documents Department

Axle-Box.

Description: Patent for a simple, inexpensive, and durable wheel-axle box that is "adapted to contain a supply of lubricating material and constructed to feed the same continuously to the axle-spindle to prevent overheating, and furthermore, to provide means for preventing ingress of dust" (lines 9-14).
Date: November 19, 1895
Creator: Casto, Tony Lo
Partner: UNT Libraries Government Documents Department

Axle-Box.

Description: Patent for an axle-box for vehicle wheels that "contains a lubricant-receiving recess from which the lubricant is automatically fed to the spindle of the axle as necessity may occasion" (lines 10-13).
Date: May 8, 1894
Creator: Casto, Tony Lo
Partner: UNT Libraries Government Documents Department

Advertising-Fan.

Description: Patent for "an attractive sign, which by reason of its revolutions will receive notice from the general public and illustrate business cards or signs, and furthermore to operate the same by and in conjunction with a fan, such as is commonly used in public places." (Lines 15-20) Includes instructions and illustrations.
Date: April 30, 1895
Creator: Lo Casto, Tony
Partner: UNT Libraries Government Documents Department

[Equipment at Marshall Public Library]

Description: Equipment at Marshall Public Library in the early years, 1973-1990, included portable television, a slide projector, and a videocassette player-recorder. In the photo, the equipment waits for use on a counter near the rear entrance. There are also some videocassettes and slide containers.
Date: unknown
Partner: Marshall Public Library

[Equipment at Marshall Public Library]

Description: Equipment that was essential at Marshall Public Library duriing the 1970s-1980s decades was stored on the this counter in the library workroom. Shown from left are a television, some videocassette boxes, filmstrip and slide boxes, a slide projector, and a calculator.
Date: unknown
Partner: Marshall Public Library

[Equipment at Marshall Public Library]

Description: During the 1980's decade, equipment at Marshall Public Library included portable televisions and videotape recorder/players. In the photograph, a television sits on an audio-visual cart with the videotape machine below Nearby another television sits on a counter.
Date: unknown
Partner: Marshall Public Library

Wrecking-Frog.

Description: Patent for "an improved frog for use in placing derailed cars or locomotives upon the rails, exceedingly simple and durable in construction, and formed substantially in one piece - that is, not in sections - and having improved means to lock the frog to the rail." (Lines 17-22) Includes instructions and illustrations.
Date: March 29, 1892
Creator: Wilmore, William Henry
Partner: UNT Libraries Government Documents Department

Life Boat.

Description: Patent for a new and improved life boat. This design "consists in providing a steam-launch with a float on each side, secured by suitable strong braces thereto, and to provide said floats with a hand-rail, so that persons can hold onto said rails, and are prevented from being washed off" (lines 17-22).
Date: March 13, 1883
Creator: Dwyer, Daniel
Partner: UNT Libraries Government Documents Department

Life Boat.

Description: Patent for a new and improved life boat. This design consists "[i]n a life-boat, the combination of a hull having the portion of its sides above the water-line overhanging and concave and having the portion of its sides below the water-line convex, with air-chambers having their inner walls curved corresponding to the curves of the upper portion of the sides and converging into the sides at their lower edges, the said chambers increasing in capacity toward the upper edges of the sides of the hu… more
Date: June 16, 1885
Creator: Dwyer, Daniel
Partner: UNT Libraries Government Documents Department

Machine for Filing Gin Saws.

Description: Patent for a new and improved machine to sharpen the teeth of cotton gin saws. This design utilizes two bevel-faced wheels connected to a block between two arms that clamp the saw blade. The bevel-faced wheels sharpen the teeth of the blade, and the nuts and bolts of the frame allow for movement as well as tightening and loosening.
Date: August 17, 1880
Creator: McAllister, Alexander F.
Partner: UNT Libraries Government Documents Department

Locomotive Driving-Box

Description: Patent for a locomotive driving box which provides shoes, wedges, and other train parts for repair. Illustrations included.
Date: April 30, 1912
Creator: Walsh, Frank A.
Partner: UNT Libraries Government Documents Department

Machine for Cutting Key-Seats in Shafting

Description: Patent for "cutting key-seats in shafting machine. It provides a portable key-seat-cutting especially adapted to operate upon the driving shafts of locomotives in key-seating eccentrics thereon." (lines 7-13)
Date: August 21, 1906
Creator: Matheus, Karl
Partner: UNT Libraries Government Documents Department

Window-Screen.

Description: Patent for improvements in screen constructions in connection with doors or windows. The goal is to provide a means for encouraging insects that are on the inner surfaces of the screen.
Date: January 20, 1920
Creator: McGeorge, Jefferson F.
Partner: UNT Libraries Government Documents Department
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