UNT Libraries Government Documents Department - 52 Matching Results

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Improvement in Gun-Locks.

Description: Patent for "a novel application of hair-trigger catch to the main trigger, which operates together with a holder and separate springs." (Lines 30-33) Includes instructions and illustrations.
Date: August 16, 1870
Creator: Deutz, Joseph
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Improvement in Thrashing-Machines.

Description: Patent for "new and useful improvements on machinery for thrashing various kinds of grain, whereby the work is performed in a very rapid and perfect manner, without impairing the straw." (lines 28-32) Instructions and illustrations are included.
Date: September 13, 1870
Creator: Fuos, Matthias
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Improvement in Washing-Machines.

Description: Patent for the improvement of the structure of washing machines. The illustration and description show that an improved washing machine, formed by the combination of the open or ribbed roller F F and handles G g1 g2 with the box A B and perforated false bottom E.
Date: September 27, 1870
Creator: Harper, Elijah S.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent
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