HISTORICAL OVERVIEW: Protection

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  • 1896 - Gold leaf electroscope used to make ionization measurements - L. Benoist


  • 1903 - First direct reading radiation instrument: spinthariscope - W. Crookes


  • 1907 - Photographic plate carried in pocket for monitoring x-ray exposure - R.V. Wagner


  • 1907 - Use of gas-filled tubes for detection of radiation - E. Rutherford


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