Description
https://www.google.com.au/books/edition/1932_Flying_and_Glider_Manual/2imYtwAACAAJ?hl=en
Airplanes -- Design and construction, Airplanes, Home-built
Build and Fly - Pietenpol Air-Camper, Powell PH Racer, Heath Super Soarer Glider, Penguin, Ramsay Flying Bathtub; plans, construction methods.