Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 609
has devised a switch which isdesigned to rupture the arc by means of a sliding shutter, Avhich intercepts ithe arc when the contact is broken. For non-inductive loads of small power and up to 2500 volts, any goodform of quick-break switch can be satisfactorily used. Attached are shown a few types…
Electrical engineering
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