I N D U S T R I A L H Y G I E N E F O U N D A T I O N O F A M E R ICA, I N C.

May 28, 1963 Mr.

* INTER-OFFICE CORRESPONDENCE S Et hyl Gaso l ine Co r po r at io n X ' Chr ysl er Buil ding 135 East 42nd St r eet N Yew or k September 24, 1951.

January 5* 1930 Mr.

March 28,1927* Mr* A* E* Mittnacht, c/o The Ethyl Ga as line Corp., 25 Broadway, Ilew York, II.

February 12* 1929 Mr.

COIRNRTEESRP-OONFFDIECNECE 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 .WILMINGTON.

* September 1*1926* Mr* E* ;v* Webb, . c/o The Ethyl Gasoline Corp, 25 Broadway* Hew York, H#Y* , .

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April 26, 1960 R.

March 12, 1973 Waldo E.

TH E JOURNAL OF P UBLISH ED M O NTH LY BY TH E C.