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CABLEGRAMS: ETHYLPORT, LONDON.

CABUEGRAMS.

M Hu m b l e Oi l &He e i m s 'BCo m p a c t '**&*':3* C.

Et hyl Gasol ine Corporat ion Rksear oh Labor at or ires 72) East Mil waukkb Avenit k De t r o it , Mic h ig a n' July 29, 1938.

M.

December 8, 1935 Mr, Philip Drinker Harvard School of Public Health 55 ^an ^yka Street Boston- Mass. *' f' Dear Mr.

1_.

June 27, 1935 Mr* A.

I tl December 7, 1936 L r.

/ June 15, 1937 Hr.

June 11, 1930 Ml*.

Et h y l Ga s o l i n e Co r p o r a t i o n Ma n u f a c t u r in g a n d Tr a f f ic De pa r t me n t INTER-OFFICE CORRESPONDENCE PLEASE ADDRESS REPLY TO5-CHRYSLER BUILDING 4 0 5 LEXINGTON AVE.

J-n crCERT HURTIN HALSEY, M.