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March 16, 1923 Dr.

Hovember 24,1926* Dr. "* E* Deuel, The E* 1* DuPont de emours Co*, Dye Works Hospital, Pennegrove, Hew Jersey* .ly dear Doctor De\iel: Your letter of November 22d concerning the excretion of lead by tlie skin is received* The figures which are quotes in Vr* k.

Thmas and Hochwal t Laboratories CHEMICAL RESEARCH iar nor t h Ludl ow DAYTON, OHIO February 14, 1928* Doctor Robert A.

BOSTONCIIT HOSPITAL TO Hast 4th St., S. 3.

April 4, 1929 f Mr* Calvin P* Reiei, The Travelers Insurance Co., 30-42 E. 42nd St., Hew York City* Pear lir.

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June 4 1 1929 Mr.

) f f ^ t~ (Humble Oil Employe) Married - no children - wife now eight months pregnant.

May 21, 1928 Mr, A* S, Mittnacht, Ethyl Gasoline Carp,, 25 Broadway, , Hew York City* My dear Mr* Mittnacht: ^ Thank you for your letter of May 16 and the enclosed copy of the letter from the Standard Oil of Hew Jersey.with regard to the handling of gasoline con taining ETHYL fluid and Benzol by two separate groups of men* I am very glad to know that this has been done and I should appreciate it if you would signify to the responsible persons in the Standard Oil Company my appreciation of their action# * Very truly yours, RAK-.EJ K 00 0 07 IS I n' t k r - O 1-k i c i : C O R R E S P O itD E X C E Et h y l Ga s o l i n e Co r p o r a t i o n 25 B r o a d w a y X e i v Y o r k May 16, 1928 Dr.

Int er --Office Cor r espondence Et hyl Gasol ine Corporat ion 25 BROADWAY New Yor k March13, 1929- Dr.

COPY IMPERIAL OIL REFINERIES LIMITED Toronto, 2, Canada .

- p gs& S&Q& m e B m ; PA T R ONNS' A R E R{JESTED TO FAVOR THE COMPANY BY CRlTICISf AND SlIGGESTION CONCERJNG ITS SERVICE -- *W -- ) - : ________ } - j * ' - m\ *fg K IB - w - M " A **k.

I n t er -Ok f i c e Co r r espo n d en c e Et h y l Ga so l i n e Co r po r a t i o n 25 BROADWAY N e w Y o r k October 17, 1928.

FO RM N O . tO (S>164) rby > Et h y l G a s o l i n e Co r p o r a t i o n S5 B r o a d w a y In t e r -Of f ic e Co r r e s po n d e n c e N e w YO RK Hovember 19, 1926 Dr.