Hewitt, T. H. Engineering drawing : Electrical and mechanical at level 1 / [textbook] by T. H. Hewitt - London : T. H. Hewitt, 1979. - 135 pages : illustrations ; 15 cm Included bibliographic reference and index. ISBN: 0216917360 Subjects--Topical Terms: Engineering drawing--Electrical circuits--Solid geometry LC Class. No.: T353 / HEW