Central vacuum cleaner

The first introduction of a system similar to a central vacuum cleaner was in the late 19th century. A ducted machine that featured copper tubes connected from a bellows chamber, typically located in the basement, and extended to several locations throughout a building, was used in a select few homes at this time. Because of the machine’s cost and weak dust-removal capabilities, only a few of these units were ever sold in the United States.
In 1869 Ives McGaffey patented the first porta

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