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Avgust 31 1937 Mr, G.
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ETHYL CORPORATION RESEARCH LABORATORIES 1600 WEST EIGHT MILE ROAD EERNDALE 20 DETROIT, MICHIGAN cc : Mr.
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A.
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P erson al and Con fid en t ial April 1938 Ur.
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TO: George Roush, J r ., M.D FROM: Robert A.
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KETTERING LABORATORY COLLEGE OF MEDICINE EDEN AND BETHESDA AYES.
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'T ^ E S J O f V l 7L,3 L i s ; ,, S T E W R E P IO N E E R M ANUFACTURERS O F S Y N T H E T IC R U B B E R May 25, 1937 University of Cincinnati, Kettering Laboratory, College of Medicine, Cincinnati, Ohio Attention - Mr.
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Copy to Dr.
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U n iversity of Cin cin n ati, C in cin n at i, Ohio.
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January 2 3 , 1939 MMAnra.arclFoonn.d,SaI.nWHdiiraaerntaand Cable Company Dear Mr.
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August 25, 19l*.0 Dr.
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