[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 151
ch are interruptions in the otherwise continuousron. Sometimes only one coil of wire is used, andconsequently but one core is necessary. Fig. 4shows one position, and Fig. 5 the same with thecore perpendicular. When this form is doubled itbecomes Fig. 6. By lengthening the pole piecesinto cores… … Itij 8 N 5 u 150 ELECTRICITY AND ITS or motor is designed. Sometimes, for the samepurpose, different forms work equally well- Usuallydynamos for continuous currents have but twopoles, as shown in these figures. By increasingthe number of poles the armature will receive thedesired number of…
Electricity
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