Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
ADJUSTABLE PIPE
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ADJUSTABLE PIPE. In 1874 Jacob Willging of Dubuque invented adjustable stove pipe. The length of the pipe could be changed with the simple use of a set screw.
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Source:
"Caught on the Fly," Dubuque Herald, March 22, 1874, p. 4. Online: https://news.google.com/newspapers?nid=uh8FjILnQOkC&dat=18740322&printsec=frontpage&hl=en