UNT Libraries Government Documents Department - 111 Matching Results

Search Results

Improvement in Washing-Machines.

Description: Patent for an improvement to washing machines, in which "the novelty consists in allowing both cylinder and blades to be rotated or oscillated independently of each other." (Lines 17-19) Includes instructions and illustrations.
Date: January 5, 1875
Creator: Starr, Henry D.

Improvement in Vegetable-Cutters.

Description: Patent for "vegetable-cutters adapted to cut a number of slices by a single stroke, in which a series of knives, arranged in two converging tiers, are used in conjunction with a centrally-disposed block for supporting the article to be sliced." (Lines 7-12) Includes instructions and illustrations.
Date: May 25, 1875
Creator: Goolsbee, John N.

Improvement in Tire-Tighteners.

Description: Patent for a device "for the purpose of tightening or loosening tires on wheels belonging to any kind of vehicles without shrinking or cutting the tires." (Lines 6-9) Includes instructions and illustrations.
Date: July 27, 1875
Creator: Horton, Henry A. R. & Hayes, Amos P.

Improvement in Ventilators.

Description: Patent for improvement in ventilators which combines a bell-mouthed vane with white induction and black eduction pipes for the purpose of introducing fresh air and eliminating foul air from an enclosed area.
Date: December 21, 1875
Creator: Moyer, Alexander L.

Improvement in Locomotive Smoke - Stacks.

Description: Patent for new and useful improvement in locomotive smoke stacks, "in which the sparks, live cinders, and other heavy particles are arrested near the top of the stack." It consists of a petticoat-pipe, arranged so that it may be raised or lowered for the purpose of regulating the draft.
Date: January 5, 1875
Creator: Cleary, Edward
Back to Top of Screen