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COPY COLUMBIA UNIVERSITY College of Physicians and Surgeons 437 West 59th Street, New York Institute of Public Health March 16 1926 United States Radium Corporation, Dr To Frederick B. Flinn For expenses in conducting a study of the hazards of luminous paint. Purchase of 100 pigs $90.00 # # 4 Goats 40.00 Care and feed for above animals 408.00 Examination of 66 girls 330.00 Blood examination 175.00 X*Ray work 110.00 Part pay of Assistant to dose animals, etc. 500.00 1653.00 Work begun April 1925.