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Article
January 18, 1896

BACTERIOLOGIC RESULTS FROM MECHANICAL FILTRATION.

Author Affiliations

SECRETARY OF STATE BOARD OF HEALTH, RHODE ISLAND. PROVIDENCE, R. I.

JAMA. 1896;XXVI(3):117-119. doi:10.1001/jama.1896.02430550019002h
Abstract

At the last meeting of this association at Montreal the statement was made in the report of the committee on water supplies that no data had been available to show that filtration by the so-called mechanical methods was successful in removing bacteria. The writer at that time referred to experiments which had been made in the city of Providence, R. I., in order to determine this question for the purpose of establishing a plant capable of filtering 15,000,000 gallons daily if the experiments were successful.

The figures showing these results were not at that time available, and as they have never been published and as no experiments of a similar character have been made, it seems desirable to place these facts before the Association, inasmuch as many municipalities are agitated over the advisability of introducing the so-called natural or sand-bed filtration or mechanical filtration.

The mechanical form of filter used

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