An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 88
en the total force against the piston is 4000 pounds. If the strokeof the engine is 1 foot, the piston moves 2 feet in every revolution,and consequently the steam does 4000X2 or 8000 foot pounds of workeach revolution. If the engine runs at 250 revolutions per minute(r.p.m.), the work done by the… … James Watt (1736-1819). A Scotch instrument maker at the University of Glasgow, famous for his im-provements on the steam engine, which were so important and fundamentalthat he is often called its inventor. The modern industrial age may be saidto begin with Watt. ELECTRIC POWER AND HEATING EFFECTS…
Electricity · Magnetism
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