UNT Libraries Government Documents Department - 3 Matching Results

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Disk Plow.

Description: Patent for "a new and useful improvement in disk plows, the object being to construct a plow of the kind described in which the resistance encountered by the main cutting or master disk in operation is counteracted by oppositely-disposed disks, one of which acts as a subspoiler, the other as a jointer, making a partial penetration of the land, which is followed by the master-disk in the succeeding furrow." (Lines 24-33) Includes instructions and illustrations.
Date: April 7, 1896
Creator: Stewart, John A.
Item Type: Refine your search to only Patent

Exercising Device.

Description: Patent for an "exercising device for teaching beginners the correct touch on the piano to systematically develop finger [technique]." (Lines 9-11) Includes instructions and illustrations.
Date: April 30, 1895
Creator: Felden, Oscar
Item Type: Refine your search to only Patent

Machine for Forming Cotton-Seed Meal into Cakes

Description: Patent for "an organized machine adapted to rapidly compress charges of cotton-seed meal into cakes of sufficient solidity to bear handling and removal to a press, whereby the oil is expressed therefrom, and to deliver said cakes at a point or points in convenient proximity to said press or presses, so that the time and labor involved in preparing the meal for the, press and of inserting it therein will be reduced to the minimum" (lines 9-18).
Date: April 8, 1890
Creator: Price, James S.
Item Type: Refine your search to only Patent
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