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Et h y l Ga s o l i n e Co r p o r a t i o n Ch e m i c a l R e s e a r c h La b o r a t o r y 76 0 0 We s t 'Ei g h t Mi l e Ro a d De t r o i t ,Mi c h i g a n February 20, 1940 D r .

May 28, 1965 Mr.

\ January 12, 19^0 UDDDS23cerni0h.nri0eovvDecoeHrtlor*onasorasiCfttlydoM9lEootehr.fdadiCCScouiotnmrleeomeraiatndngods Hospitals Dear Doctor Cummings* ymbmafva0ndmoTdqofcfqtactIfisseoissfihoanniunoahuiysgubiooexeahfautfueongiuseinuhogtccmcgjdeggtsarpnrciiiluhnrdniwhednlprnpttlortietrlirredobeehdeyeeeamdivvivem.aioeitrriroeolannetgefainbetnmeItpygiiastoriohion*dewdnnepghigsurcctsltcarcroeynnhieebrmaacoBoueoe.asirtuaonenoawconilfaoreta.fafpfarbnoorrnltaeahnesltdtsevxIiefctlioaoieeiohncnnwacacbcsdeIefeclmrotcdvenaehhsthtuttoaIareiifrrhhnihnnneuceyttaakeantlitseiftloihheyghesedvyepnsnealospdttagvtnnieyeeoamhehsenrtongeIfteliiohgnewvnsdvlpmradtteaosruseraneoeseosodeeenabxatpfstirie,dsre*ahaoshnodmauonsutnseepiaprrpodbusendewcsscimnuntesiocivor&aoownnuooeynarlasoierhtoaisl^bmmm*ededbcponadnttfssolsuIxltOeeheinneosnuotoell.eofsrmirmaglohOaaeimewhaenetoxaaccuillnhouedestlwsooansBapiccrfrweinadontderuIparosaeCihuIoeyffeoultitnnebnniayoaadsesxssstsorsclerhnndyselctbissdcsxeefpeeliiaonigyiayetIchtdottssnargt2fispsoansipnuhhiiongehusisvto0saoacrfstsgerpppndooaoddea0on3stulalusrtieirppwognalisoduapa0gehtiiig.isrrticrnimoneenenylalelptirunencraegeeis*ndlntlyorsslseIstcuogaeltah*iaeedsdnoWroodasprdntfloainkrnl**riaseeodeutof1lxfisie,ntpgtp*yhendvwoilbllereltt*fariclacap^hhyoealplbheaaaricii1rflolheySndtsytehnenymmtrltbarcueawiiiahoehtwevmoacvoduUotssItsolsltoehhdbnhdireewiblqemeeerteioinavoahnlmeeonoeoelrarrtyIuralrerrleeepovhnsyvoiawkbanaptteiesavsemroooehr*che*sebdbbvtclscergtlssloeausoio-niaoesyyamhigeayreaselrntropep*wopeyonbaiatltsttofol.sedttondhoeehhahdneoesoiallefoisurar*onesdahibnrdnosaaaeateepriffpltl*ohaodmllbenydtdtxt.rtIeefiitheeooodctdcesinltoanaatiittvrowaoeohdiwnehstyhmosacoairntlehdannenbaOwctcresiberiertagtgerhmchdnmeeoodehgplroec,alnIstasteeeieneesnhnnvanhsgtrirorc*aalmvovdseuo'naatraylrellhoespmvabepxtogftsdglrlethroenuuebseUaieteeualrnobiaeicpceelssndsrroemtnnebhbsssa.sgridndg.sle--ee*eirrsvIlenig`habt--'l--y; 2 tncihnaontthnptreooutsdsibtteietoeinttcrtuiboosefntcehaduaov.sfeinimgmypoeennxldypinegtdhieliesnacdeevhIidnaestoncsxheiocwtaontiomrenel,ythuaptodnoit pbsottaltgiiehahntbtufhenireentnpigdaIiolepesbnieirlrcntmltldlaooiaqulinaoovsaimulgsdgtrfi,ihuedttgorewenatuairahssneateimtbdiigllmronnelaaauncqtekstheipgaeiaouonoaisraapvnttetflrhhhettlsahyrietat.allhueenailtecysstsie5rbnhntlua.mo,fgtoeeanossr*maeroocpTmdtItpaenWooirhlhorneIfriishinfsrtatlaaaaofmtitlhonccstcifyiersgtIoo*mheooarnuhbgnpframasoegiaotnvoaioasflrtoeianeofonvvfsgtpnavirsapaaoh*earalatreuinissiirlcodeeaousiiincsstat.flfyhatbiseblcIttoieheooIavlvnecisdeufletalenttoryybna.kullusanaimbnpysstitrsedoesIifunnrcsueaeat,slthosioeen bbatihnnuuedcttrebhnoalenoosrltoyeedsfrcooonfomiecrnrcdmotuhibranekogiernbssaltomtaihovroedees.tdnfiooinaatgdspnIeinnsrogismoosisu.farrafireclIoynxtmipvdseeutirhaoieehginnnctacooelsxictnaisiccsitaerci*taekiovlitinnhdp*geeicnrectueforere, , wloemaoFcoefsIfiaoittxlscffofounboifprctrrcddleskodulIrereeyemmmeiteobracahnatslulpeiyidegcootlcanobesoyhoqsff,lnentrtearl,pfudl*eyyectdufbfiiih*ncckonatlse.eogItIfnor"hoafofIggrCeipndnlpsfcnenenlouisoatriiidaittthotrntlrohhdiieonoiutionneetniooiouscngisetnit,alehnudslgollesymwaonrtlfraoeachteiofeindwlxtofiaaatliesocnilointtacefpeeeerrdnkhlaxxtssoroiecmtuatttpttptsohhaieavcIieoseoodeeehidfniisrnnmbbnueiuecbnepitcilsirponnnetewyoyoou,ofcwnnnloriedtlfotitdtaliohehorsdbaetflinmhceelpntlliotwothednfcooaiionuaeacaueoontwodtdintisrttismonepkieild*nrnnmopctafosmhgnhuotii.osenenevaapnlfisnndmnthsihbepOegtastteihihoayrbddserencomeeestsvlalrihm*leonftreayherpeaogsnpeaeuctsxiflettqonnadanorrcgudseoitdenspernh*ekvetgecititacaemahenirtednaeegsaboretsoyepeecbrnsufrrenoeaelotochlrsfseo.yea.iadnsdd questions.

November 28, 1947 Miss Veronica L.

April 17# 1936 D r.

M arch 5 195f- Pr* Graham E dgar / E thyl G asoline C orporation C hrysler B uilding New J o r k C ity New --o r k Dear D r.

April 21, 1932 Hr.

Confidential July 11* 1939 Mr* Hugh Fossett She Associated Sthyl Company Ltd, She Adelphi ..

THE ASSOCIATED ETHYL COMPANY LIMITED .

February 27, 1931 Pr.

<*. o. 48 4-A 4, S t a n d a r d Oid Co mpan y (INDIANA) Reskar ch Depar t ment Box U31, Whiting, Indiana - March 12, 19U8 Dr.

March 50, 1948 Mr .

I'r.

Mr* H.