,May 2k 1939 Mr, H* W.

ALL C O M M U N IC A T IO N S TO B E A D D R E S S E D T O T H E C O M PA N Y A N D N O T TO IN D IV ID U A L S Q U O T A T IO N S S U B JE C T T O C H A N G E W IT H O U T N O T IC E CABLE A D DR ESS SHELPETCO ST.

RO BERT P.

April 29,1936 'r.

W.

HARVARD UNIVERSITY SCHOO L O F PUBLIC HEALTH De pa r t m e n t o p In d u s t r ia l Hy g ie n e 5 5 Shattuck Street Tjoston, tMassachusetts March I S , 1939 Dr .

ESTABLISH ED 1938 IN D USTRIAL HYGIENE FOUNDATION OF AMERICA.

LABORAT ORY OF AP P LI ED P H YSI OLOGY U N I V ERSI T Y OF CI NCI NNAT I COLLEGE OF MEDICINE GENERAL HOSPITAL August 31 1932 To Division Managers: Dear Sir: This is to inform you that a representative of the medical staff of the Ethyl Gasoline Corpora tion is starting his regular visit into your territory.

TREASURY DEPARTMENT PUBLIC HEALTH SERVICE ' WASHINGTON February 5, 1935 Dr.

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Et iiyl Gasol ine Corporat ion INTER-OFFICE CORRESPONDENCE Dr.

IRVING GRAY, M.

Samples of faeces and urine from suspected case of lead poisoning from Akron, Ohio.

October 7, 1933 Mr.

PLE A SE A D D R E S S ALL CO M M U N IC A TIO N S T O T H E COM PANY June 29th 1936 Messrs* Nelson L* Buck J*C* Cox W*C* A rkell , P*L* Becker J.S .