Leicester: Drysdale Press Ltd for The Harborough Publishing Company Ltd., 1946.
Soft Cover. Fourth Impression. Highly technical booklet “written with the object of enabling the average aero-modeller to design his model on scientific lines.” Illustrated throughout with black and white photographs and technical diagrams. No pencil or ink markings in text. Pictorial paper covers. Small closed tear at top of front cover at middle. Stapled Wrappers.
Very Good binding.