Document QJK2RLe4wpN7pyy7vNDE5jeXv

Confidential Mellon Institute of Industrial Research UKTVKKSITY OF PITTSBURGH PROGRESS REPORT for the___ weak-----------ended------Hay -3.,. 1941----------------- ATR HYGIEHt FOUNDATIONIndustrial Fellowship No.__25S=2 Subjects under which report is to be indexed 3 copies Dade: 1 - Mellon Institute 2 - Air Hygiene file PLAINTIFF'S EXHIBIT IHF-396 Completed April abstracts. Continued work on paper and exhibit for American Industrial %giene Association convention. ' Worked Saturday afternoon with Warren Cook and all day Sunday on exhibit. R* May 20, 1941 1941 MELLON INSTITUTE F. S. Mallette Industrial Fellow 9 FORM 8 3 o ry ^ 9