TY - BOOK AU - Clayton,Albert Edmund TI - The performance and design of direct current machines: a textbook for students at universities and technical schools, covering the syllabuses of the B. Sc. (Eng.), the I.E.E., higher national certificates, and other examinations in this subject, T2 - On cover: Engineering degree series U1 - 621.3132 PY - 1938/// CY - London PB - Sir I. Pitman & sons, ltd. KW - Electric machinery KW - Direct current KW - MCE ER -