Lead ludimtrien A m odation Il J C U X T O N M .

ETH YL COR P OR ATION Ma n u f a c t u r i n g a n d T r a f f i c D e p a r t m e n t July 14, 1944 PLEA SE ADDRESS REPLY TO CH RYSLER BUILDING 4 0 3 LEXINGTON AVC., NEW TORN I Dr R.

.wiiiiCr.:: r...: ,':-RL-x 11:3 40D .Tenth Tixth /vs., La Grange, 111.

STATE DEPARTMENT of HEALTH of KENTUCKY A.

HARVARD SCHOOL OF PUBLIC H EALTH 55 SHATTUCK STREET BOSTON 15, MASSACHUSETTS May 2!

peers' afc!

March 9, 1959 Dr.

ETHYL GASOLINE CORPORATION Kansas City Division 1917 Buchanan Street North Kansas City, Mo.

- Correspondence, etc N29509 University of Cincinnati Department of Preventive Medicine and Industriai Health Cincinnati 19, Ohio Attention: Robert A* Kehoe, M.

ALLIS-CHALMERS manufact ur ing company Milwaukee 1, Wisconsin December 18, 1944 Ethyl Gasoline Corporation Detroit, Michigan Gentlemen: .

THE ASSOCIATED ETHYL COMPANY LIMITED NORTHWICH CHESHIRE ^ Telephone; NORTHWI CH 2237.

; t THE OHIO STATE UNIVERSITY De pa r t m e n t o f Pr e v e n t iv e Me d ic in e 410 W e s t 10t h Av e n u e Co l u mb u s 10, Oh io R o b e r t L.

Marcai 7, 1040 Or# Spaur iroire 2 Rue Borii?

\ I NT ER- OF FI CE CORRESPONDENCE Et hyl Ga so l ine Co r po r at io n Chr ysl er Buil ding 135East 42iPSt r eet "Ne w York March 20, 1954.

IN TE R -O F F ICE CO R R E SP O N D E N CE Et h y l Ga s o l i n e Co r p o r a t i o n ` orx-- Ch r ysl er buil ding 135 Ea st 4 2 n d St r eet N E W Y o r k March 15, 1952.