Here is a vintage GENERAL ELECTRIC "MANUAL OF ELECTRIC INSTRUMENTS CONSTRUCTION AND OPERATING PRINCIPLES" 1949 First Edition Hardcover book with gold gilt embossing. Published by GENERAL ELECTRIC METER & INSTRUMENT DIVISIONS West Lynn Massachusetts. 140 pages fully illustrated with Index and Glossary. Hardcover Book has a very small scuff mark on top front lefthand side of cover. First blank page has previous and original owners name in pen. no rips, tears or defacing to pages. Book is rock solid. please view all pics. I ship within 24hrs of cleared payment.