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October 5* 1933 ::r, Lester B, Heberts Casllla & Cprrco Ko, 170 U Fuenos Aires* Argentina Dear Hr.

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Et h y l Ga s o l i n e Co r po r a t i o n 25 Br o a d w a y Ne w Y o r k P onns G rove, 1ST* J .

June 5, 1931 Mr* E.

COPT, Ho.362 NowYork, June 8th, 1934 Medical Supervision of EmpTloeytreaeesthwyolrkFinlguidw.ith General Letter RHStoeanfnigdnkseordndg-OV. ailcuDumiviOsioilnCompany Gentlemen: wSofcrhietotmeenpnlloeuhyneeYderoes'usrwwldooarittkletlinfgorifnwodJfiutMhnaetatTya1ce2shtnrted,adeeptcdheodyrptrlaeyiFsnsoleiufndigdat,otloeaMltsttreho.erGcMto.opeSydS.iohcWafanlaDglshdru.aepinA.eo.rvfWfiis.cioen, wiinsosrtrkreiuqncguteiwsotineTtdhshegTyoicevuoternntataeekptnheetysrwtlaohLifaneti"aenbdvogetahrtroaelecrttthiitogeenirdMsilyseedreinocebacssleeeslrsfvus-aeperdexy.rpvtlioasnioasnetoeorytfhaeanmtdpthlioetyees STANDYARoDu-rVsACvUeUrMy OtrIuLlyCO,MPANY WSLiD.

Au gu s t 1 5 , 1933 Mr .

CARBON COPY St a n d a r d Oil Co mpa n y (In c o r p o r a t e d in N e w J e r s e y ) 36 BROADWAY Ne w Y o r k : fay' 13 1933- IN REPLY PLEASE REFER TO Dr.

{COPY ) CALIFORNIA C:JUGAL CORPORATION TOEK CALIFORNIA April 29, 1932 Ethyl Gasoline Corporation ' Box 688 V/ilmirgton, Delaware ' Attention: i,ir.

frufy F0IU7I0M T i.

; * / Copy: Dr.

n U% Memorandum November 2 3 , 1937 Notations of discussion with Dr.

Chicl e Devel opment Co.

tanuary 20* 1937 Hertsler Clinic Halstead Kansas -, '- Attnti (ms Dr# D* V.

Gr a ha mEdg a r DIRECTOROF RESEARCH - Chrysl t er Buil ding ;' 405lEXIKGTOIiAsNUE I e w T r k November 26, 1935* Dr.