UNT Libraries Government Documents Department - 1,001 Matching Results

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Improved Bridge.

Description: Patent for an invention that "is to provide certain improvements in the construction of bridges, whereby the parts thereof, of wood, may be readily removed for the substitution of others, when decayed or broken, without interfering with the use of the bridge or weakening it (lines 10-15)". The patent includes instructions and illustrations.
Date: January 11, 1870
Creator: McDowell, H. S.

Improvement in Saw-Set.

Description: Patent for an invention "which can be used for setting the teeth of all kinds of saws by hand, and without requiring and intricate machinery" (lines 15-18). The patent includes instructions and an illustration.
Date: February 15, 1870
Creator: Harris, H. A.

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 Refining and Ageing Liquors.

Description: Patent for improvement in refining and ageing liquors, including an illustration. The process includes expelling air from distilled liquors, heating them to a boiling point and then cooling them in a waterbath, through the use of a closed, air-tight vessel surrounded by an open water-vessel.
Date: May 10, 1870
Creator: Gilman, Samuel H.

Improvement in Ox-Bows.

Description: Patent for improvements to ox-bows so that they "shall not require bending, and which may be made in parts of the country where timber suitable for bending is scarce" (lines 9-12).
Date: May 24, 1870
Creator: Moore, Alfred L. D.

Improved Head-Rest.

Description: Patent for a new and improved head-rest for railroad-car seats and other seats, that can be applied to or removed from the back of seats without the use of clamp-screws, and are adjustable and adaptable to the convenience and comfort of different persons. It includes a description and illustrations.
Date: May 31, 1870
Creator: Littlepage, Caleb V.

Improvement in Combined Sower, Planter, Cultivator, Scraper, and Gang-Plow.

Description: Patent for "a strong, simple, durable, and effective machine, which shall be so constructed and arranged that it may be readily adjusted for use as a gang plow, seed-sower, seed-planter, cultivator, and cotton-scrape, and which will do its work thoroughly and well in either capacity." Includes instructions and illustrations.
Date: June 7, 1870
Creator: Eddleman, James P.