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22/10/1938 The first xerographic copy

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Xerox Celebrates the Creation of Xerography -- and 75 Years of Simplifying How Work Gets Done

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A Brief History of Copiers and Xerox-Copiers Denver

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Chester Floyd Carlson

American physicist Chester Carlson and Austrian engineer Otto Kornei demonstrated xerography (the process itself was however invented by Hungarian physicist Pál Selényi). Carlson and Kornei copied the inscription 10-22-38 ASTORIA. Xerography is not only used for copying but also for printing in laser printers.