Hughes, Edward, 1888- Hughes electrical technology / Edward Hughes, revised by McKenzie Smith - 6th ed. / revised by Ian McKenzie Smith. - Harlow, Essex, England : New York : Longman Scientific & Technical ; J. Wiley, 1987. - xviii, 656 pages : illustrations ; 24 cm. Includes index. ISBN: 0470207337 (pbk.) 9780582413726 Subjects--Topical Terms: Electrical engineering.Electronics. LC Class. No.: TK146 / .H9 1987