Annett, Fred Anzley. Connecting and testing direct-current machines, by F. A. Annett ... and A. C. Roe ... - 2d ed. - New York, London, McGraw-Hill Book Company, inc., 1937. - xiii, 302 p. illus., diagrs. 24 cm. Subjects--Topical Terms: Electric machinery--Direct current.MCE Dewey Class. No.: 621.3132 / ANN