Aviation mechanics simplified
Subtitle: a practical self instruction course for the aircraft and engine mechanic
By: by Henry Lionel Williams. Edited by Michael H. Froelich
Publisher: Sawyer
Published: 1942
Place of publication: New York
Language: eng
Number of pages: 576
Copyright date: 1942
Notes: "Answers to all lessons": p. 569-571.

Published also in four volumes under title: Aviation mechanics made easy.