6 public-domain matches

Biplanes

Cover of The aeroplane

The aeroplane

Emerson Whithorne

Cover of Theoretical aerodynamic coefficients of two-dimensional supersonic biplanes

Theoretical aerodynamic coefficients of two-dimensional supersonic biplanes

W Moeckel

Cover of How to build a 20-foot bi-plane glider

How to build a 20-foot bi-plane glider

Alfred Powell Morgan

Cover of Beryl of the biplane

Beryl of the biplane

William Le Queux

Cover of The triplane and the stable biplane

The triplane and the stable biplane

Jerome Clarke Hunsaker

Cover of Monoplanes and biplanes, their design, construction and operation

Monoplanes and biplanes, their design, construction and operation

Grover Cleveland Loening