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Secondary Electric Clock

Patent for a secondary electric clock. This invention uses a predetermined movement of the clocks hands thereby preventing any abnormal movement in a secondary clock controlled by a master clock. Illustration included.

Date: May 28, 1907

Creator: Guthrie, William S.

Partner: UNT Libraries Government Documents Department

Signal-Lantern.

Patent for a gas-burner signal lantern, instead of an oil-burner signal lantern, that indicates whether or not the track is all clear of trains; includes instructions and illustrations.

Date: May 6, 1902

Creator: Ruebel, C. A. Ernst

Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Patent for an acetylene gas generator. Illustration included.

Date: May 2, 1905

Creator: Pruitt, George Holditch & Pruitt, Conrad D.

Partner: UNT Libraries Government Documents Department

Fire-Escape

Patent for a fire-escape for "people irrespective of age, sex, or condition may be safely carried from any landing or floor of a building to the sidewalk or street" (lines 25-28); including illustration and instructions

Date: May 22, 1900

Creator: Thompson, B. W.

Partner: UNT Libraries Government Documents Department

Animal-Poke

Patent for an animal poke that is worn on the head of the animal to prevent it from breaking or going underneath wire fences.

Date: May 21, 1907

Creator: Carter, Joel F.

Partner: UNT Libraries Government Documents Department

Center Foot for Cultivators

Patent for "an improved center foot or standard which is adapted to be readily attached to and detached from a beam or beams of a cultivator adjusted thereon and adapted for the attachment of a shovel, plow, or sweep of any kind required" (lines 8-15).

Date: May 21, 1901

Creator: Greathouse, James E.

Partner: UNT Libraries Government Documents Department

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