American inventions and inventors . relating to , and nation, devoted himself with great industry to thedevelopment of his in-ventions. Perhaps the mostconspicuous work whichmore than anything elsecarried his name to allthe nations of the earthwas the construction ofthe great engine whichfurnished the motivepower for all the ma-chinery in operation inMachinery Hall, at theCentennial Exhibitionin Philadelphia in this engine !M. Bar-tholdi, in his report to the French Government, said: It belonged to the categoryof works of art by the general beauty of its effect and its per-fe
American inventions and inventors . relating to , and nation, devoted himself with great industry to thedevelopment of his in-ventions. Perhaps the mostconspicuous work whichmore than anything elsecarried his name to allthe nations of the earthwas the construction ofthe great engine whichfurnished the motivepower for all the ma-chinery in operation inMachinery Hall, at theCentennial Exhibitionin Philadelphia in this engine !M. Bar-tholdi, in his report to the French Government, said: It belonged to the categoryof works of art by the general beauty of its effect and its per-fect balance to the eye. Professor Radinger, of the Poly-technic School in Vienna, pronounced the engine one of thegreatest works of the day. This engine stood in the center of Machinery Hall upona platform 56 feet in diameter. The two working beamswere 40 feet above the platform, and were seen from allparts of the building, being the most conspicuous objects inthe hall. The fly-wheel was 30 feet in diameter with a faceof 24 A CORLISS ENGINE. l82 AMERICAN INVENTIONS AND INVENTORS. This engine carried eight main lines of shafting, each linebeing 650 feet in length, and the larger part of this shaftingwas speeded to 120 revolutions a minute, while one line, usedprincipally for wood-working machines, made 240 revolutionsper minute. The engine weighed 7,000 tons, and its powerwas equivalent to 1,400 horse-power. The entire cost, about$200,000, was borne by Mr. Corliss. The engine is now inactive service, furnishing the motive power for the entireworks of the Pullman Car Company. During the later years of Mr. Corlisss life he devotedmuch time and thought to inventing improved pumps to beused in connection with city waterworks, for forcing waterto higher levels. He made for the city of Providence a ro-tary pump for high service which worked automatically, keep-ing the pipes in the upper sections of the city full at all timeswhether much or little water was used. This ingenious
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