Paris: Gauthier-Villars, Editeurs, 1921. Quarto, original printed wrappers viii, 240, [ii] pp., errata slip bound in. Wrappers a little chipped, yet condition is very good overall. Item #1507
The rear cover of this book indicates that editeurs Gauthier-Villars carried a number of technical aviation titles, including materials, aerodynamics and helicopter design.
Price (AUD): $250.00