Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 356
-two separate copper pieces (C), carefully insulated fromeach other by mica plates, and surrounding the spindle ofthe armature. Against this cylinder of separate copper pieces;above and below it, press two metal brush collectors, whichare connected with the terminals (FG) of the machine. To explain… … 338 Electricity. [Book III. the coils at b, where it is divided, part going through the coilson the semicircle bca, and part through those on the semicircleIda. These parts unite again at a, and pass by the brush D tothe terminal B, by which the current returns to the battery A
Electricity
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