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RESUME' OF OASES REPORTED. 1924 to August 30,1931.

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IN TER-O FFIC E CORRESPONDENCE E t h y l Ga s o l i n e C o r p o r a t i o n Ch r y s l e r b u il d in g , 1 3 5 Ea s t 4 2 n d S t r e e t NEW York May 8, 1931 Dr.

l ead indust r ies a sso cia t io n 292 MADISON AVENUE NEW YORK 17, N Y.

i TO FROM SUBJECT ETHYL CORPORATION I NTER- OFFI CE CORRESPONDENCE a d d r e s s cincinniti ADDRESS TulSS DATE October 'LL,, 1949 re :..o-.in.; hereto ce_::y y e. letter i'rx:i our .

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I N T ERN AT I O N AL LEAD Z I N C RESEARCH ORGAN I ZAT I ON , INC. 232 MADI SON AVENUE, NEVV VOR<, N v 1001V TELEPHONE 532- 2373 ( AREA CODE 21 ) CABLE ADDRESS: NYILZPO NEW YQM< August 18 , 1971 Dr.