REPORT ON PHILADELPHIA’S WATER SUPPLY.
No 1.
THE commission composed of three engineers, Messrs. R. Hering, Joseph M. Wilson, and Samuel M Gray, appointed by Mayor Ashbridge of Philadelphia, to examine into, and report upon the extension and improvement of the water supply of that city, has made a very extensive and elaborate report, under date of September 15. The document is interesting on many accounts, and will attract the attention of engineer experts because of the peculiarities of the situation portrayed by it. As a preface to the report the letter of the Mayor to the commissioners is printed. In this he takes the liberty to indicate his preference for “slow sand filtration, as generally recoguized as the best.” Whatever experience in, or knowledge of filtration, Philadelphia's chief magistrate maj have, he evidently sounded a warning note, and the commission has duly obeyed him. The report is very complete in detail, and we will make full excerpts from it.
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