Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 416
lustrated in Fig. 349. The neutral line, or plane will,therefore, advance backward against the direction of rotationof the motor, and it is at this position commutation in a mo-tor should take place. The brushes are set in the same man-ner as given for a dynamo in € 339, but are rocked back*against…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
