... couloirs, hence some other plan had to be found. The plan adopted was that invented by Mr. James Burt, and which had been used with the greatest success on the New Amsterdam Canal. Instead of the couloir, floating pipes, made of wood, are in this system employed; the earth or mud brought up has a copious stream of water poured on it, which mixes in the process of descending, and the whole becomes a thick liquid. ... — Scientific American Supplement, No. 497, July 11, 1885 • Various
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