Stewort, R. Wallace Elementary text-book of magnetism and electricity / by R. Wallace Stewort - London : W. B. Clive, 1892 - viii, 279, 36 p. : ill. ; 18 cm. - Univ. Corr. Coll. tutorial series . Includes index Subjects--Topical Terms: ElectricityMagnetism Dewey Class. No.: 537