Brothers Georg and Eduard Retienne and Albert Hartung built this machine, powered by a 70 hp Argus, during 1912 at Johannisthal.
It was flown in 1913.
Retienne-Hartung 1912 Eindecker
Brothers Georg and Eduard Retienne and Albert Hartung built this machine, powered by a 70 hp Argus, during 1912 at Johannisthal.
It was flown in 1913.
All Aero 