Issue 15 and Volume 57.

FILTRATION Work is rapidly progressing on the new filtration plant at Youngstown, Ohio. Superintendent John S. Lewis says that practically all of the outside brick work on the filter house has been completed. Superintendent G. A. Gessner of Toledo, Ohio, has recommended $100,000 worth of improvements for the filtration plant. Among the largest items is $35,000 for a lime-slacking device, $20,000 for a chemical conveyor, $10,000 for heating system, and $10,000 for a machine chemical feed. George A. Johnson, Consulting Engineer, of New York, has been selected to design and supervise the construction of a filtration plant for Cambridge, Mass. The total estimated cost of the projected work is estimated at $300,000. Mr. Johnson has opened a branch office at 141 Milk street, Boston. During 432 hours in which the filter plant at Fort Worth, Tex., operated in February, 90,000,000 gallons of water were filtered at a cost of $17.62…

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