Word: coley
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Dates: during 1920-1929
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Last week steel-pipe makers rejoiced when Clarence T. Coley, operating manager of Manhattan's old and lofty Equitable Building, and his Chief Engineer Carl W. Poulsen announced that they had discovered a simple way to clear rust from the steel plumbing of their building. They drain the water off and force dry steam into the pipes. The heat makes the pipes expand, the rust shrink loose from the pipes. The steam is released and water flushes the rust away. The pipes become clean, although pitted, and thinner than when bought...