Issue 18 and Volume 36.

ELTAEROID COATINGS. Every day some waterworks official is looking for a good coating for pipe, standpipes or other purposes, and does not know where the most reliable material may be obtained. The Hydro-Carbon Manufacturing company, of II Broadway, New York, and Denver, Colo., has an excellent covering in Elateroid, which answers all purposes. The water supply of West Philadelphia is to be improved at a cost of $305,000.

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