Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 152
ding practical continuity in the dification of the drum-armature, the currents. In some cf Siemens's ma- winding, though symmetrical in one chines, the cores are of wood, overspun sense, is singular, inasmuch as the with iron wire circumferentially, before number of sections is an odd number.… … machines, the number of sections is 49. One consequeuce of this peculiarity of structure is that, if the brushes are set diametrically opposite to one ano- ther, they will not pass at the same instant from section to section of the collector ; one of them will be short- circuiting one of the…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
