Potez 37R2 military airplane : a two-place long-distance observation monoplane
A 1931 NACA Aircraft Circular, issued by the National Advisory Committee for Aeronautics, presenting the Potez 37 R.2 two-seat long-distance observation monoplane to engineers and aviation researchers. The pictures are black-and-white official technical photographs and drawings of the cockpit, wing structure, fuselage framework, engine mount and a head-on plan view, laid out as numbered figures with captions. A designer could draw on their clean engineering layout, the lattice truss patterns and the strict frontal outline of the airframe.
