First edition, second impression. xxi, 646pp. Blue cloth-covered boards, gilt titles on spine. 8vo. . Lightly rubbed spine ends. Text block edges just starting to fox and tan. Endpapers tanning. Internally neat, clean, bright and tight. Dust jacket laminated, lamination detaching in places, sun-faded, has minor shelf wear, rubbing to corners and spine edges, very minor loss to spine head, not price clipped. This book is designed to provide the student of electronic engineering with an understanding of the field. It includes the basic principles of electronic devices currently in use, and the basic operating principles of these devices.