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Mechanical Movement

Description: Patent for "an object to provide a chain and sprocket movement with improved means for maintaining the chain in operatively taut condition and relation to the sprocket wheel" (lines 13-17), including illustrations.
Date: November 9, 1915
Creator: Stine, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Smoke-Separator.

Description: Patent for "a new and improved smoke separator designed for use in connection with smelter furnaces and other apparatus, and arranged to effectively prevent poisonous or obnoxious gases from passing into the atmosphere, at the same time retaining and saving valuable matter contained in the smoke" (lines 9-16); including instructions and illustrations.
Date: December 9, 1913
Creator: Holmes, Clayton Floyd
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electrical Apparatus for Heating Stills, Boilers, and the Like.

Description: Patent for "Improvements in Electrical Apparatus for Heating Stills, Boilers, and the like" (lines 6-8) that uses electricity and includes "a heating element which is not affected by repeated changes in temperature, which is adapted to present a heating surface of large area, which may be raised to a high temperature with a low current, and which is many times more economical in use than metal coils possessing less heat radiating powers" (lines 21-28) including illustrations.
Date: April 9, 1918
Creator: Lorenz, Charles O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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