t*' November 15* 1957 Mr.

March 30, 1959 Mr.

ETH YL CO RPO RATION lOO P A R K A V E N U E B U IL D IN G A T 4 1 s t S T R E E T NEW YOHK 17, N.

TO: P.

Et hyl Ga so l ine Cor por at ion TOROTJTO DIVISION 302 Bay St r eet To r o nt o Z , Caxaija INTER-OFFICE CORRESPONDENCE Hr* J.IT.

INDIAN REFINING COMPANY Le.vrenceville, Illinois April 11, 1955 Ethyl G&soline Corporation, 155 East 42nd Street, Ne?

December 7 ?

<uly 25, 1951 Dr.

RESEARCH STAFF GENERAL MOTORS C o p p o B ox 188, N orth End S b ;-, .

June 30, 1959 Mr.

December 5, 1950 sir.

Asso c ia t ed MeP | 1440Broadwa; iNG Co r po r a t io n N.Y.

Febr uar y 27, 1950 Mr .

CHU59RC0H0ILC CABLE ADDRESS "MINSAF" PITTSBURGH Mine Saf^tyAppHamc.

JOHN D.