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Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)

Johnson, Frank G., 1835- · Chicago, A.H. Andrews · leaf 371

An illustration from Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families, 1878, leaf 371
ricity is due tofriction between the particles of water(not steam) and the sides of the dischargeapertures; the water being supplied by a small quantity in the box, T,through which the steam must pass, thereby becoming partially con-densed. Steam is merely the vehicle and power by which the… … ELECTRICITY. 365 as four plate machines, forty inches in diameter, revolving sixty timesa minute. The discovery of electricity developed by steam was accidental. Anengineer, endeavoring to cement a leak in a steam-boiler, observed elec-trical phenomena, which subsequently led to a scientific…

Physics · Astronomy

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