TY - BOOK AU - Maccall,W.Tolme TI - Alternating current electrical engineering U1 - 621.3133 PY - 1923/// CY - Oxford PB - University Cutonal Press KW - Electric engineering KW - Electric currents, alternating KW - Electric motros, Alternating current KW - Electric apparatus and applainces N1 - Includes index ER -