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promote a simple amateur camera of his construction with the same name, which Prószyński intended to mass-produce for schools and the public. The economic crisis of the 1920s interrupted
Kazimierz Prószyński's plans. He was busy with other inventions, such as simple home film projectors and reading machines for the blind, but did not manage to mass-produce any of them.
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the cameraman did not have to turn the crank, as in all cameras of that time, so he had both hands on the camera to operate. This made it possible to film with a hand-held camera in most difficult circumstances and from airplanes. Compressed air was pumped into the camera system, before filming, with
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As soon as Poland regained its independence in
November 1918, Prószyński returned with his English wife, Dorothy, and children Kazimierz junior and Irena. From the start it was difficult to find business partners for his invention. In 1922, he managed to establish a company Oko (Polish for: eye) to
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police discovered his workshop. They arrested Prószyński and his co-worker under the accusation of conspiracy. Released after 10 days, Prószyński did not manage to remove all suspicion. He was chased by
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cameras were used by
British Army combat cameramen on the battlefields of World War I and later by newsreel cameramen until the late 1920s, when more modern spring cameras like
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Kazimierz Prószyński spent a large part of his active life abroad. At the beginning of the 20th century, he was active in France and
England as an inventor and producer of the
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took over. Still, there are archival photographs of
Aeroscope cameras being pumped by British combat cameramen as late as in 1940, at the beginning of
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a simple special pump similar to the ones still used to pump bicycle tires. Hundreds of light and relatively compact
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in spring of 1945, as the prisoner number 129957, shortly before liberation.
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Alfred
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and had to move often to avoid arrest. On 25 August 1944, during the
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company. He was also the inventor of the widely used first hand-held
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brothers, and later went on to improve the cinema projector for the
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Trailer of documentary "Kazimierz Prószyński - genius nr 129957"
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in the background of photographs. He was also the son of
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Kazimierz Prószyński on Who is Who of
Victorian Cinema
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In 1894, Kazimierz Prószyński built one of the first
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410:People who died in Mauthausen concentration camp
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339:Timeline of Polish science and technology
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260:Aeroscope
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243:Aeroscope
221:Pleograph
184:Biography
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328:See also
188:Born in
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380:YouTube
292:Gestapo
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174:Gaumont
170:Lumière
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190:Warsaw
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