j INTER-OFFICE CORRESPONDENCE Et hyl Gasol ine Corporat ion Ma n u f a c t u r in g a n d Tr a f f ic De pa r t m e n t MAIL ADDRESS: BOX 1271.

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y-v-, .V'"vu-.

Kan e d atarais Su b m itted : Requ ired: (DuPont employee) Feces 9-29-55 by S*.

a p p etite p a r tic u la r ly , t tile' s ig h t o f fo o d * \ He haef vomit ed * . ,, . ____ . tten-t/.oc'casipas^' Ther<have $>e*m'h o ,^ w o jr res^ t; sino.'

/ C l a ss o f Se r v ic e This is a fast message unless its deferred char* aceer is indicated by the proper symbol.

May 3d, ii)73 i f.ioyc B.

A p r il 15, 19j^ l / Mr * L* E .

Dr * Bo n n a r d Te e g a r d e n 1 Ea s t Hi n t h s t r e e t He w Yo r k C i t y He w Yo r k P e a r Do c t o r Te e g a r d e n * '' ' .

COMPARISON BETWEEN AIR POLLUTION LEVELS CAUSED BY CARS OPERATING ON TML AND TEL GASOLINES *>y RICHARD S.

Ettco Wire -& Cable Corp 'Mr, George H.

ETHYL CORPORATION CHRYSLER liUILDING 405 LEXINGTON' AVENUE NEW YORK , ^ June 22, 19-43 .Dr.

H ARR Y R.

A.S.A.

sua 'ASSOCI ASSI ) JBSSXb COMPANY LI M I flO Artillery Souse, Artillery Bow loados, S.VT. 1 Hr. .