UNT Libraries Government Documents Department - 72 Matching Results

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Mill-Stone Dress.

Description: Patent for Mill Stone Dressing- the pattern on a mill stone for the better grinding of grains into flour. The furrows and grooves of the new design allow grain to be "milled... at greater speed (and)even distribution."
Date: March 8, 1870
Creator: Loy, G. W.

Fire and Burglar Proof Safe.

Description: Patent for a safe "constructed as to be safe from fire and burglars, and at which the same time may be made lighter, and may be less expensive in manufacture than when made in the usual way." (para. 4). Additionally, safe is airtight and water-proof.
Date: March 18, 1870
Creator: Wilkins, Samuel Adams

Improvement in Road-Scrapers.

Description: Patent for an improvement in road-scrapers which "consists in hanging the scoop to the carriage in such a manner that it may always be made to scrape in horizontal planes whether the carriage run on a level surface or on a hill side; and also in certain devices for holding the scoop suspended above the ground while moving from place to place." (Lines 9-16) Includes instructions and illustrations.
Date: March 26, 1872
Creator: Coy, Elihu E.

Improvement in Sawing-Machines.

Description: Patent for a new and valuable sawing-machine is combined and, "consists in the construction and novel arrangement of the vibrating beam, vertically-sliding block, and flanged support," (pg. 3) e.g...including instructions and illustrations.
Date: March 18, 1873
Creator: Westmoreland, Joseph M.
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