UNT Libraries Government Documents Department - 6 Matching Results

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Drag Saw.

Description: Patent for a new and improved drag-saw. This design "consist[s] of a standard, two beams connected to the standard on opposite sides thereof, a crank-shaft held by the standard, suitable drive-gearing for operating the same, a pitman connecting the crank-shaft and the saw, a pendulum attached to the saw and the pitman at one end and to a sliding head-block at the other end, the head-block sliding in the slotted standards and having a rack-bar extended therefrom, a pawl engaging the rack, the op… more
Date: November 3, 1885
Creator: Boston, Arnet P.

Improvement in Bed-Bug Exterminators.

Description: Patent for "a machine for exterminating bed-bugs by steam." (Lines 11-12) Includes instructions and illustrations.
Date: June 3, 1873
Creator: Fewell, Calvin L.

Knee-Pad

Description: Patent for knee-pads that are used for berry or cotton pickers.
Date: May 3, 1915
Creator: Holsey, Walter R.

Removable Mouthpiece for Smoking-Pipes

Description: Patent for a removable mouthpiece for smoking pipes that is made of rubber and prevents saliva from going into the pipe.
Date: September 3, 1912
Creator: Lindley, Frederick R.

Washing Compound

Description: Patent for a washing compound that can be employed in cleansing fabrics without danger of causing colors to fade.
Date: May 3, 1892
Creator: Odell, Jacob

Well Sinking Apparatus

Description: Patent for a well sinking apparatus. Illustration included.
Date: January 3, 1905
Creator: Johnston, Horace G.
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