WWI single-seat biplane
Airforce, Airplanes, Aviation, Biplane, Cockpit, Colour Image, Fighter Aircraft, First World War, Flying, Fuselage, Horizontal, Illustration, Inventions, Military, Nobody, Propellers
Hanging Montgolfier hot air balloon
Air Travel, Ballooning, Basket, Colour Image, Flying, Front View, Hanging, Hot Air Balloon, Illustration, Inventions, Montgolfier, Ropes, Single Object, Transport, Two People, Unknown Age