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…
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Date:
June 21, 1887
Creator:
Wilson, Martin M.
Partner:
UNT Libraries Government Documents Department