 Aeroscope

Aeroscope was a type of compressed air camera for making films, constructed by Polish inventor Kazimierz Prószyński in 1909 (French patent from 10 April 1909) and built in England since 1911, at first by Newman & Sinclair, and from 1912 by Cherry Kearton Limited.Patented in England in 1910 by the Polish inventor Kazimierz Prószyński, Aeroscope was the first successful hand-held operated film camera.