[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 60
gnets are carried on a framework which alsosupports the bearings for the armature shaft. The commutator has only three segments, in contact with which are four brushes. Regulation is ob-tained by an electro magnet regulator, which con-trols the amount of current by automatic shiftingof the brushes… … RECENT APPLICATIONS. 59 circuit by the extinguishing of a lamp, or other-wise, the current feeding the other lamps becomesliable to abnormal increase. This increase of cur-rent is made to flow through the coils of wire sur-rounding the iron core of the regulator ; the corethen becomes magnetized,…
Electricity
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