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IN T E R -O F F IC E CORRESPONDENCE Et h y l Ga s o l i n e Co r po r a t i o n C h ic a g o Of f ic e 3 1 0 So u t h M ic h ig a n Av e n u e C h i c a g o .

ru 0 P Y N a me De pt ..

CH ARLES D.

I NTER- OFFI CE c o r r es po n d en c e Et hyl Gasol ine Corporat ion Ch r y s l e r B u i l d i n g 405 Lex in g t o n Avenue Ne w Yo r k March 3th, 1935 Dr.

C A B L E O R A MS*.

E t h y l Co r po r a t io n B o s t o n Div is io n P a r k S q u a r e B u il d in g B oston,M ass, February 15th, 194-3 Br.

COPY MAYO CLINIC Rochester, Minnesota April 15 1935 A - 822122 Dr.

Ja n u a ry 15# 1938 C o n tin e n ta l C a s u a lty Company Chicago* I l l i n o i s Re: c ase of A t t e n t i o n : Mr.

June 3, 1932 Dr.

2900 Louisiana ave., St.

April 21, 1931 Dr.

May 10, 1938 Mr, Lester B# Boberts C aailla de Correo So* 1704 Buenos Aires Argentina Dear Mr* Roberts** !

November 5, 1932 Hr,.A* E. ittnacht Ethyl Gasoline Corporation Chrysler Bur1Iding Net?

A b L.