Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 583
the two brass rings a and b are replaced by asingle brass tube divided into two parts by cutting it length-wise. These two segments are attached to but insulated from the axis, and are_^ ^ ^ connected with the sepa- rate ends of the armaturewire. When the planeof the armature coil isperpendicular… … THE COMMUTATOR. 663 dicular in the direction of the arrow, lines of force will becut, and as the lower segment of the loop is moving upwardpast the pole S, and the other segment is moving downwardin front of the pole N, a positive current flows from the loopthrough the segment a, the brush m, the…
Physics
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-314-175.webp)
