D e v e l o p m e n t Co m p a n y 500 Fifth Avenue New Yo r k P L E A S E A D D R E S S ALL C O M M U N IC A T IO N S TO T H E COMPANY November 25th 1935 Messrs* R*A Kehoe, SC.

CABLEGRAMS' .

March 26, 1932 Mr.

* * * * * TELEPHONE CENTRAL 1250 SUITE 1503 - 69 WEST WASHINGTON STREET CHICAGO April 17th., 1936.

CO P Y January 20, 1933 Mr.

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March 5, 1935 Mr* W* A Haine, As3t* Chief Ohemist, The Pure Oil Co*, 35 E* Vfacker Drive, Chicago, 111* Dear Mr* Haine: The description of the onset the workman described in your letter to Mr* dated February lii-th, 1935 corresponds with. what would be expected a3 a result of the inhalation of gasoline vapors* Considering the precatitionary measures which are commonly taken against such possibility it seems surprising that this man evidently entered the tank v?

Et hyl Gasol ine Corporat ion MANTl'AGTIIltlXU DlCl'AitTMKXT MAIL ADDRESS^ BOX 688.WtLMINGTON.DEL.

September 50, 1938 Dr May R.

D I RECTOR OP RES EA RCH Et hyl Gaso l ine Corporat ion Chr ysl er Buil ding 405Lexingxon Avenue Xe w Yo kk Deoember 9, 1935# Dr# Robert A# Kehoe University of Cincinnati College of Medioine Cincinnati Ohio# ify dear Kehoet I have your letter of December 3rd enclosing eopy of your letter to Dr# Fairley# Mr* Walter has written to Mr Tully suggesting that he attempt to limit the amount of this work being done and get it abandoned entirely as soon as may be practicable# Very truly yours.

I P.

H-- September S, 1939 J Dr.

i Ju n e 2 , 1937 Dr* J .

ETHYL CORPORATION RESEARCHANDENGINEERINGDEPARTMENT RESEARCH LABORATORIES 1600 WEST EIGHT MILE ROAD FERNDALE20, DETROIT, MICHIGAN August 31, 1935 Dr.