October 17, 1949 Dr.

September 23, 1947 Dr . ..

ETHYL CORPORATION Ma nuf a c t ur ing a nd Tr a f f ic De pa r t me nt PLEASE ADDRESS REPLY TO CHRYSLER BUILDING 4 0 5 LEXINGTON AVE..NEW YORK 17, N-Y.

June 14, 1948 Dr.

IN TER-O FFICE CO R R E SP O N D E N CE Et hyl Gasol ine Corporat ion Ch r y sl er bu il d in g 405 Lexingt on Avenue New Yor k - July 30, 1941 Dr.

March 17, 1943 Mr.

* CLINTON H.

June 9, 1941 Dr.

THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC HEALTH ^M anaging Editors Ph il ip D r in k e r Ma r g a r e t S.

A.

INTER- OFFICE RRESPONDENCE Et hyl Gasol ine Corporat ion ATLANTA OFFICE RHODES-HAVERTY BUILDING At l ant a, Georgia April 4, 1940.

PRESIDENT PC BERT A.

M N.

I N T ER-OFFI CE CORRESPON D EN CE E t h y l Ga so l in e Co r po r a t io n CH RY SL ER B U IL D IN G 405 LEXINGTON AVENDE N ew Y o r k Septem ber 3 0, 1940 D r.

OFFICE FOR EMERGENCY MANAGEMENT NATIONAL DEFENSE RESEARCH COMMITTEE OF THE OFFICE OF SCIENTIFIC RESEARCH AND DEVELOPMENT JAMESB.CONANT, Chairman RICHARDC.