** GrahamEdgar.

G R A 1IA M E D G A H DIRECTOR OF RESEA R C H Ethyl Gasoline Co k po r a t i o x Ciik y s k ik Bu il d in g 135 E a s t 4 2 ?

T H O M AS A .C O M B S , Pr es id en t T A .

STANDARD ACCIEST INSURANCE COMPANY Detroit, Mich.

lNTPR-OFFICE CORRESPONDENCE ^iHYLGasol ine Corporat ion Chic ag o Of f ic e 310 So ut h Mic hig an a v e nue Chic ago*Iixino is February 27, 1939 Dr.

June 20* 1933 Mr.

October 28 1936 MBCuraesnlLolsleasAtdeirereCPs*,orARreorogbeeUnr0ttai.nIa7O4.

CONSUMERS' RESEARCH - W ASHINGTON, NEW JERSEY Organ ized on a non-com m ercial basis to prov ide un biased in form ation an d cownsel on goods bought by the ultim ate consum er r S:TFB December 16, 1937 In your reply refer to D r.

January IS, 1939 Mr.

UNIVERSITY OF PENNSYLVANIA PH IL A D E L P H IA La b o r a t o r y o p Hy g ie n e O .

J' s i .

v'

- _,,r ~ - , : ' `y . '' m0m f: V : . . ' - ` Y

February 5* 1935 Plllsbury, Madison and Stro Standard Oil Building San Francisco, California attentions Mr, Felix T .

OFFICE HOURS: 9 TO IOA.