Oct ober 12, 1937 Ly n ch , D ay, P o n t iu s an d Lyn ch F i r s t N a t io n a l Ban k B u i ld i n g Can ton , Ohio A t t e n t io n * Mr* Joh n G.

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Tank |1agon Ethyl - Comparison Tank Wagon Ethyl 1927 - 1929 Lead in Urine rags.

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,Hovember 23 1943 Mr.

October 23, 19^2 Miss Margaret S .

COMMENTS ON DR BELKNAP'1S METHOD The pros and. cons for the various lead methods used in biological' work have been given so often in the past that a further discussion is not warranted.

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fxarj 5, 2,929 to the supplyAlr Force puts do not believe t on a small means of ' ex* whom we sing devices 3eoms to me story mixing lip the al ien pointsrstem which p tank,, I to them ex nuipment which py can do this r easily make [atus, The '\ g plants is ct that It is I should re- b subject of t feel that c-t.

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THE ASSOCIATED ETHYL COMPANYLIMITED THE ADELPHE LONDON, C 2 (ables: ETHYL-PORT, LONDON JelegramS: ETHYLPORT, RAND,LONDON %lefilh'lone: t e mpl e ba r 9831 directors: J,.

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