f A N D/ CHE M IC A L i y 4 C0 RPRATI ON W ESTVA CD CHEM ICA L DIVISION CABLE "CAUSTI'C"V, NE W Y>ORK Te l e ph o n e Mu r r a y h il l 7-7400 PLEASE REPLY TO CHRYSLER BUILDING EAST t6i e a s t 4 2 n d s t r e e t NEW YORK 17.

T H O M A S W.

LEA D D ET R OIT LA BO RA T O RY; REFER t o RKS I N D U ST R I ES A SSO CI A T I O N , INC. 292 M AD I SO N A V EN U E RJO EJO JDB DMG 3> cr _C CD E cjn -- N EW YO RK, N .

E TH YE C O R P O R A T IO N Ma n u f a c t u r i n g a n d Tr a f f i c De p a r t m e n t September 13, 1944 PL EA SE A D D R ESS REPLY T O C H R Y S L E R BUILDING 4 0 5 L E X IN G T O N A V E .

\ f- IL C L I N T O N H .

ANDREW FLETCHER,PRESIDENT K.

GENERAL PETROLEUM CORPORATION COPY Vernon May 2U, 19U8 Mr.

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May 17, 1973 Mr.

February 2, 1953 Mr.

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iftN A L M E D IC IN E ,,UTHSR W .

Jt --- \ "N o r w o o d " BRAND TO DUPLICATE THIS FOLDER ORDER SioW~V/crr> icke NO. 91-1 / 2 MADE IN U.

>.r. am Battista Arthur A.

Dr.