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Aeroscope
Aeroscope was a type of compressed air camera for making films, constructed by Kazimierz Prószyński in 1909 (French patent from April 10, 1909) and built in England since 1911,〔(【引用サイトリンク】 publisher=Victorian Cinema )〕 at first by Newman & Sinclair, and from 1912 by Cherry Kearton Limited.
==Background==
Patented in England in 1910 by the Polish inventor Kazimierz Prószyński,〔 Aeroscope was the first successful hand-held operated film camera. It has been powered by compressed air pumped before filming into the camera with a simple hand pump, similar to the one we still use to pump bicycle tires. Filming with Aeroscope, a cameraman did not have to turn the crank to advance the material filming, as in all cameras of that time, so he could operate the camera with both hands, holding the camera and controlling the focus. This made it possible to film with the Aeroscope hand-held in most difficult circumstances, as well as made possible to film from the airplanes, also for the military purposes. Camera carried of 35mm film and could work without pumping for up to 10 minutes. The Aeroscope was known for its simplicity and reliability.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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