174с

RADIO CODE MANUAL

Twenty Lessons on the Radio Code and Selected Projects on Code-learning Equipment

BY

ARTHUR R. NILSON

Chief Instructor, Nilson Radio School, New^ York, N. Y. Lieutenant (Technicist) (Communications) U. S. N. R. (Retired); Member Institute of Radio Engineers ■

First Edition Fourth Impression

McGRAW-HIIxliÜÖit 'COMPANY, Inc.

NEW YORK AND LONDON 1942