[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 340
system of measurements. CIRCUIT. — A system of conductors over whichelectricity passes. COIL, CLOSED.—The coils of an armature aresaid to be closed when the end of one is con-nected to the beginning of the next at thecommutator bar. An open coil armature is one 22 388 ELECTRICITY AND ITS in which… … COMMUTATOR.—That part of a dynamo onwhich the current from the armature is rectifiedbefore passing to the external circuit. The cur-rent in a given section of an armature alternatesand must be made continuous on leaving it.This is done by the commutator, which consistsof a series of insulated metal…
Electricity
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