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Flue-Cleaner.

Description: Patent for a flue cleaner for steam boilers, which has easily replaceable parts.
Date: November 10, 1908
Creator: Brown, James William
Partner: UNT Libraries Government Documents Department

Flue-Cleaner.

Description: Patent for certain new and useful improvements in flue cleaners, including instructions and illustrations.
Date: December 8, 1898
Creator: Cathriner, Joseph
Partner: UNT Libraries Government Documents Department

Device for Cleaning Gun Barrels, Flues, &c.

Description: Patent for a new and improved gun-barrel cleaner. This design consists in "[t]he combination of a flat shank having a hole in its intermediate portion, a pivot-bolt having its middle round and its ends square, and a cleaning-head secured upon said bolt, said head consisting of two parts, one part being secured upon each end of said bolt" (lines 4-9).
Date: February 22, 1887
Creator: Simpson, John Speake
Partner: UNT Libraries Government Documents Department