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Tree and Brush Cutter.

Description: Patent for a motorized tree and brush cutter that is portable.
Date: February 14, 1911
Creator: Andrews, Robert Lyle
Partner: UNT Libraries Government Documents Department

Oil Burning and Steam Generating Apparatus

Description: Patent for an oil burning and steam generating apparatus. Illustration included.
Date: December 14, 1909
Creator: Spurrier, John Wallace
Partner: UNT Libraries Government Documents Department

Log-Loading Mechanism.

Description: Patent for a machine that hauls and loads logs upon cars from either side of the track, or both sides at once. The machine can easily be transported on a car. The machine "consists, essentially, in a platform of about the length of an ordinary log-car and of a height and width to enable it to span the same, mounted upon which are a steam engine and a boiler and a rotating crane, said platform being provided with pivoted legs for holding it above the track, with pivoted legs for holding it above the track, with means for locking said legs in a vertical position" (lines 23-30).
Date: April 14, 1896
Creator: Fletcher, WIlliam Andrew
Partner: UNT Libraries Government Documents Department

Mode of Straining Saws by Atmospheric Pressure.

Description: Patent for the improvement of the reciprocating saw by simplifying the arrangement of cylinders, pipes, and exhaust pumps to produce the necessary vacuum, including illustration.
Date: August 14, 1855
Creator: Brown, A. & Coffin, Abel, Jr.
Partner: UNT Libraries Government Documents Department

Expanding Device For Can Bumping Presses

Description: Patent for expanding device for can bumping presses including the illustrations.
Date: December 14, 1915
Creator: Drake, Rollin L.
Partner: UNT Libraries Government Documents Department