Leadership

WATER PIPES.

Issue 21 and Volume 1887 1.

WATER PIPES. THE last quarterly report of the proceedings of the Engineers’ Club of Philadelphia, contains a valuable paper on water pipes, by A. H. Howland, which presents much interesting data relative to this important topic. Mr. Howland points out that there are about one hundred times as many miles of cast iron pipes in the ground as there are of all other kinds, the other kinds that have received any considerable attention and use being, in the order of their proportionate use, a riveted wrought iron shell, lined and coated with cement mortar, lap welded or riveted wrought-iron pipes, coated with asphalt urn or protected with various forms of metallic coating or oxidation of the surfaces; wooden pipes, earthen-ware pipes, and composition pipes. Referring to cast-iron pipes, which have come to be accepted as a so-called standard, our author correctly maintains that in determining what weight of cast-iron pipe…

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