Reports of the Massachusetts commissioners to the exposition at Vienna, 1873With special reports prepared for the Commission . Atmospheric Atmospheric line. Low Pressure , 20 to inch. Cylinders, 51 inches and 86 inches in diameter —4 feet stroke. RevolutionB, 54| per used in twenty-four hours, 38 tons. Steam in boilers, 54 lbs. To an American the most remarkable among these engineswere those designed for paddle-wheel steamers for the riverand the lake traffic of the continent. These were oscillatins: * See note on next page. SPECIAL REPORT OF MR. HILL, ON MACHI
Reports of the Massachusetts commissioners to the exposition at Vienna, 1873With special reports prepared for the Commission . Atmospheric Atmospheric line. Low Pressure , 20 to inch. Cylinders, 51 inches and 86 inches in diameter —4 feet stroke. RevolutionB, 54| per used in twenty-four hours, 38 tons. Steam in boilers, 54 lbs. To an American the most remarkable among these engineswere those designed for paddle-wheel steamers for the riverand the lake traffic of the continent. These were oscillatins: * See note on next page. SPECIAL REPORT OF MR. HILL, ON MACHINERY. 417 engines, of which mention has already been made, with theircranks at right angles, the steam passing from the high-pressurecylinder into an intermediate receiver. To illustrate the ex-tent to which this form of engine has come into vogue of lateyears for a class of steamers quite like those of our coasts andrivers, mention may be made of constructions of Escher, Wyss&Co., of Zurich. This firm, though situated far from any Note.—The following table, prepared at the instance of the Engineering Depart-ment of the Navy, will
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