Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 708
ve. These twomay be pulled apart, say, by the mechanical forceoperating a dynamo, and when separated arealways eager to become again united. That ef- NATURE AND SCIENCE FOR YOUNG FOLKS 555 fort to unite is power that may be applied througha motor to move wheels, near the separatingforce (the… … of water passing through, or the capacity of thepipe or hose. The New York, New Haven & Hartford Rail-road uses eleven thousand volts overhead alter-nating current, while the New York CentralRailroad has about six hundred and fifty voltsdirect current. Each system has some advan-tages and some…
Children's literature
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