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Start Over Subjects Telescopes ✖Remove constraint Subjects: Telescopes Authors Brackett, Frederick S. (Frederick Sumner), 1896-1988, author ✖Remove constraint Authors: Brackett, Frederick S. (Frederick Sumner), 1896-1988, author Titles Report on Project no. 38 -- the military characteristics and design of observation telescope ✖Remove constraint Titles: Report on Project no. 38 -- the military characteristics and design of observation telescope Dates by Range 1900-1949 ✖Remove constraint Dates by Range: 1900-1949

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  • Brackett, Frederick S. (Frederick Sumner), 1896-1988, author1

  • Report on Project no. 38 -- the military characteristics and design of observation telescope1