digital.library.unt.edu/67531/metadc171061/m2/1/high_res_d/Binder1.pdfNATIONAL BUREAU OF STANDARDS...
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digital.library.unt.edu/67531/metadc171061/m2/1/high_res_d/Binder1.pdfNATIONAL BUREAU OF STANDARDS The National Bureau of Standardsl was established by an act of Congress March 3,