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Windmill Tower

Description: Patent for a windmill tower. Illustrations included.
Date: September 10, 1907
Creator: Eubank, Josephus H.
Partner: UNT Libraries Government Documents Department

Internal-Combustion Engine.

Description: Patent for an internal combustion engine for multi-cylinder engines, which has automatically opening valves powered by the exhaust gas.
Date: September 17, 1907
Creator: Thomas, Percy Frank
Partner: UNT Libraries Government Documents Department

Metal Cross Tie And Rail Fastener

Description: Patent for metal cross ties and rail fasteners. Illustrations included.
Date: September 27, 1904
Creator: Sawyer, Ben S. & Bull, Clarence C.
Partner: UNT Libraries Government Documents Department

Rail Joint Connection

Description: Patent for Rail-Joint Connection
Date: September 15, 1903
Creator: Houlehan, John
Partner: UNT Libraries Government Documents Department

Rack Construction for Refrigerator-Cars.

Description: Patent for a rack to be used in refrigerator rail cars for the transportation of produce. Illustrations included.
Date: September 4, 1906
Creator: Coleman, John C. & Kessel, Edward W.
Partner: UNT Libraries Government Documents Department

Selective Call for Telegraph or Telephone Lines

Description: Patent for a device that allows the user to ring a specific telephone or telegraph line without ringing the bells at other lines.
Date: September 30, 1902
Creator: Palmer, William, Jr.
Partner: UNT Libraries Government Documents Department

Fluid-Operated Signal

Description: Patent for a fluid operated signal with illustrations. The device would allow communication between a train engineer and a caboose conductor through a device that utilizes the fluid-pressure brake system of the freight train.
Date: September 30, 1902
Creator: Bell, Chester L.
Partner: UNT Libraries Government Documents Department

Boiler Stay Bolt

Description: Patent for a boiler stay bolt. Illustration included.
Date: September 20, 1904
Creator: Peters, Joseph & Coleman, John
Partner: UNT Libraries Government Documents Department

Apparatus for Utilizing Hot Slag for Heating Purposes

Description: Patent for an apparatus which holds molten slag in the exterior chambers of the receptacle such that the interior chambers can receive water to be heated, producing steam and hot air.
Date: September 11, 1900
Creator: Wells, James L.
Partner: UNT Libraries Government Documents Department

Air-Lock for Mines and Tunnels

Description: Patent for an air lock to remove water, polluted air, and heat from mines and tunnels and force in fresh air. Illustrations included.
Date: September 8, 1908
Creator: Durack, Partick H.
Partner: UNT Libraries Government Documents Department
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