Heinkel He 64 C sport airplane (German) : a two-seat low-wing cantilever monoplane (1933)
NASA Technical Reports Server (NTRS) · leaf 8
N.A.C.A. Aircraft Circular No.175 FigB. 5,5,8 Figure 5.- He.64c with irlngs folded. From Ze,r*c*r;*+ fJr- Flvg+ecfinlh und Motor/u*tsch,#ct,rt … From Die Lu-ft-**och + - Figure 8.- Slotted wing and flaps on the He.64c airplane. The picture also shows the landing gear with brace wires as first used on the type c.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
