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Confidential MUL Mellon Institute of Industrial Research itnlw, University or Pittsburgh PROGRESS REPORT for the weekended_Sg-Q_enhflE.JL3,_ INDUSTRIAL HYGIENE fOUNI>ATIOK Industrial Fellowship Mn. 255-7 Subjects under which report is to be indexed 3 copies made: 1 - Mellon Institute 2 - Industrial Hygiene file Spent three days making observation around Calco Chemical plant, Bound Brook, N. J. Spent one day making preliminary survey of Pittsburgh Plate Glass Company plant in Newark, N. J. Began reports on this work. Spent one-half day at Neville Company plant making estimate of time for survey. Industrial Fellow R: January 30, 1S42 T: January 30, 1942 R: > ' .. MELLON INSTITUTE u.lu-Q)uSir$ EjRZ, PLAINTIFF'S EXHIBIT