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Henry Bessmer who took out a patent on process in 1855
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The history of flim began in the 1890's with the invention of the first motion picture cameras and the establishment of the first flim production
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wilhelm rontgen accidently discovered x-rays it was highly energetic electromaganetic radition it was capable of penetrating most soild objects
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wilbur and orville wright made four brief flights on their first aircaft