o FFICE NDENCE Et hyl Gasol ine Cor por at ion CHRYSLER BUILDING 405 Lexing t o n Avenue New Yo r k July 17, 1940 Dr. h.

ASSOCIATED ETHYL COMPANY LIMITED J-teyislen d O ffice: THE ADELPHI, LONDON, W c 2 .

HARVARD UNIVERSITY SCHOOL OF PUBLIC HEALTH D e pa r t m e n t o f In d u st r ia l H y g ie n e October 20, 1944 5 5 Sh attu ck Street 'B o sto n , uM assac h u se t t s D r .

SUMMARY 0?

Lti ' ?

U.US ESTABLISHED1802 E.

/ . asr March 3 1, 1948 Mr.

J.B.LIPPINCOTT COMPANY Publishers Philadelphia OFFICE OF THE VICE PRESIDENT July 18th, 1940 Dr Robert Kehoe Kettering Laboratory of Applied Physiology University of Cincinnati Cincinnati, Ohio Dear Dr.

May 18, 1944 19 Johnaon bronze Company, 'lev Coo ole, Pennay1 /ania.

the 11th day of July,. 1947, for final hearing and determination, a number of hearings having been had, and evidence taken previous

Nov entier 28, 1947 Dr.

November 21, 1942

ETHYL CORPORATION RESEARCH LABORATORIES 1600 WEST EIGHT MILE ROAD FERNDALE 20 DETROIT, M ICHIGAN c c : H.

int er a r n c E CORRESPONDENCE Et hyl Gasol ine Cor por at ion Ch r y s l e r b u i l d i n g 405 Lex in g t o n Avenue Ne w Y o r k November 1, 1940 Dr.

INTER - OFFICE CORRESPON D EN CE Et hyl Gaso l ine Co r po r at io n Chr y sl e r Buil ding 405 Lk x in g t o n Av en u e YN e w o r k Au gu st 2S, 1940 D r . 2 .