Ely, Jr., William A.2014-09-092026-09-292014-09-092026-09-291939http://arks.princeton.edu/ark:/88435/dsp01n296wz78whttps://theses-dissertations.princeton.edu/handle/88435/dsp01n296wz78wA Study in the Hardening of SteelPrinceton University Senior Theses