The Nieuport-Delage NiD 42 was a fighter aircraft built in France in the early 1920s, the first in a family of designs that would form the backbone of the French fighter force over the next decade.
Nieuport-Delage NiD 42
Nieuport Delage NiD 44 C.1 photo from L'Aéronautique January,1926
Nieuport Delage NiD 46 C.1 photo from L'Aéronautique January,1926
Joseph Sadi-Lecointe was a French aviator, best known for breaking a number of speed and altitude records in the 1920s.
Sadi-Lecointe in 1919