The electric motor and the transmission of power (1906)
Houston, Edwin J. (Edwin James), 1847-1914, Kennelly, Arthur E. (Arthur Edwin), 1861-1939, joint author · New York : McGraw Pub. Co. · leaf 299
E 6 Fig. 77.—Diagram of Triphase Rotating Field. … are represented at A^ B^ C^ D^ E^ and F^during successive sixths of one completecycle. At A^ the compass needle is shown 292 THE ELECTRIC MOTOR AKD pointing to pole 1, the current being amaximum in coils 1 and 4. At B^ theneedle is shifted to pole 6, the currentbeing now a maximum in coils 3 and…
Electric motors
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![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-104-252.webp)
