UNT Libraries Government Documents Department - 8 Matching Results

Search Results

Automatic Fire-Escape.: Patent for "new and useful Improvements in Automatic Fire-Escapes" (lines 5-6), including instructions and illustrations.
Cultivator Attachment.: Patent for a cultivator attachment - an extra component added to an earth tilling machine to adjust the harrow teeth and the path of earth disposed. Illustration included.
Double-Action Ratchet: Patent for a double action ratchet for use with drills that allows them to be turned either direction.
Ink Fountain: Patent for an ink fountain. This invention is an improvement for the feeding of ink to platen presses. Illustration included.
Insect Exterminator: Patent for removing boll weevils from cotton plants. The device brushes the weevils into the furrows where they are crushed. Illustration included.
Listing-Plow.: Patent for a listing plow, "more particularly an improvement upon the structure disclosed in Patent No. 866,679, issued to [Gottfried Persson] on September 24, 1907" (lines 9-11), including instructions and illustrations.
Stalk-Chopping Device: Patent for a stalk chopping device that connects to plows allowing the stalks to be plowed under the soil and used as fertilizer.
Tying Device for Hay-Balers: Patent for improvement to the former patent by the same creator for a tying device for hay-balers. These improvements increase productivity and efficiency of the previous tying device design.