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Device for Sheltering Animals.

Description: Patent for a new and improved animal shelter. This design "relates to a device which may be adapted for use as a hen's nest, a dog-kennel, a stable for domestic animals, or for analogous purposes. The principle of construction prevalent in all these different adaptations for use of the device consists of certain improved means for automatically closing the door as the animal steps into a vertically-swinging compartment, and for automatically opening the door as the animal leaves said swinging c… more
Date: December 21, 1880
Creator: Austin, John Overton
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark Arrester for Smoke Stacks.

Description: Patent for a new and improved spark arrester. This design consists "a direct flue or smoke-stack . . . [which] projects and deflects the sparks or cinders through perforations in a vertical wall of a stack into a dead-air space that surrounds the draft-flue, there causing these sparks . . . to impinge against vertical ribs that subdivide the annular air-space that intervenes between an inner and outer cylindrical wall of the stack, gravity of the accumulating mass of cinders causing their disch… more
Date: June 21, 1887
Creator: Wilson, Martin M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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