Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 531
or drawn out. The lead of the circuits is first from plate Ato magnet E, thence to theupper spring of pair /, and from the lower spring of the same pair to the battery; the second circuitpasses from plate L to magnet i^to the lower spring of pair H, and from the upper spring of thesame pair to the… … ORGANS, PIPE. 509 stop is pushed in as shown, there is obviously no connection with the battery, because of the pair ofsprings /being separated. Supposing, however, the stop to be drawn out, then the switch on itslower side comes in contact with plate Z, the current passes and excites the magnet F,…
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