. Morton memorial; a history of the Stevens institute of technology, with biographies of the trustees, faculty, and alumni, and a record of the achievements of the Stevens family of engineers. 551 erection of water-purifying plants through-out the Eastern, Western, and SouthernStates, and designed severalspecial devices in connectionwith the same. He was as-sociated with C. W. Thomas(, 84), mechanical andhydraulic engineers. NewYork, 1890-91; was mechan-ical engineer and assistantsuperintendent of the worksof the India Rubber Comb,and the Goodyear Hard Rub-ber companies at CollegePoint, N.
. Morton memorial; a history of the Stevens institute of technology, with biographies of the trustees, faculty, and alumni, and a record of the achievements of the Stevens family of engineers. 551 erection of water-purifying plants through-out the Eastern, Western, and SouthernStates, and designed severalspecial devices in connectionwith the same. He was as-sociated with C. W. Thomas(, 84), mechanical andhydraulic engineers. NewYork, 1890-91; was mechan-ical engineer and assistantsuperintendent of the worksof the India Rubber Comb,and the Goodyear Hard Rub-ber companies at CollegePoint, N. Y., 1891-98, inwhich latter year the com-panies were merged into theAmerican Hard Rubber Co.,and Mr. Schlesinger wasmade superintendent of theCollege Point works, the po-sition he now holds. He isalso a stockholder in the com-pany. In 1892, under a contractfor two power pumps andall the piping for the salt-water aquaria in the Fisheries Building atthe Worlds Columbian Exposition, designed many of the fittings lation of the piping system in the New YorkAquarium. During the time in which he has ? 1 . ^ Ki l^ll^^^ ^||CT| *-5 » - ^^a. ITTf ^fSwF pi ^ pHP ?1. * ~n_jt. A. H. Schlesinger and superintended their erection. In 1893 hedrew plans for and supervised the instal- Hard-Rubber Pump for Conveying Corrosive LiquidsA. H. Schlesinger been associated with the rubber companies,he has designed and installed new tools forthe manufacture of hard-rubber goods. In 1894 he designed a double-acting hard-rubber pump to convey a solution of iron innitric acid, which, prior to that time, wasexceedingly difficult to handle. The pumpis easily constructed and kept in order, andis applicable to any driving power. Thepump end is complete in itself, and can beattached to a steam end for driving, or to acrank to be driven by belt power or electricmotor. Several sizes of these pumps havel:)een put on the market and installed, thelargest being of six-inch diameter and ten-inch strok
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