Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 242
now superseded to alarge extent by the oil-break switch. SeeSwitch, Oil-break. [f. w.] Switch, Pneumatically Controlled.See Switch, Electro - pneumaticallyControlled Unit. Switch, Pole-changing, a switch ar-ranged to alter the connections between thecoils in the stator of an induction motor,and so… … REMOTE-CONTROL SWITCHBOARD AT LOTS ROAD POWER STATION, LONDON (see p. 52S)
Electrical engineering
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