Document KG4nNZG40Jvkyo3yYgbXm41a2

ETHYL CORPORATION RESEARCH AND ENGINEERING DEPARTMENT.... RESEARCH LABORATORI ES 1600 WEST EI GHT MILE ROAD FERNDALE 2 0 , D ETRO IT, MICHIGAN........................ August 1 , 1955 D r. R obert A. Kehoe U niversity of C incinnati The K e tte rin g L abo rato ry C ollege o f M edicine - Eden Avenue C in c in n a ti 1 9 , Ohio Dear Bob: Thank you f o r y o u r good comments on th e f i r s t p a r t o f my memorandum on th e v a lu e o f th e iith m i l l i t e r o f T e tr a e th y l l e a d . I agree w ith your rem arks on th e su b je c t o f th e s a tis f a c tio n and s a f e ty o f d riv in g , and I have q u a lifie d th e b r ie f statem e n t in th e t e x t . I did not want to go in to th is in d e t a i l , sin c e i t i s a com plicated m atter and is not fu rth e r involved in th e p re sen t stu d y . As you s a y , th e s t a t i s t i c s show t h a t th e a c c id e n t and f a ta lity ra te s , per vehicle or per m ile, are le ss than h a lf of w hat th e y w ere 25 y e a rs ago -- b u t t h a t s t i l l le a v e s much to be d e s ir e d . O bviously, many f a c to r s a re in v o lv e d , and i t i s d i f f i c u lt to estim ate th e im portance of engine perform ance p er se . Dick S c a le s and E a rl Bartholomew have a sk ed me t o sen d you th e two c o p ie s o f th e memorandum w hich a re e n c lo s e d h e re w ith , f o r y our rev iew and comment. I t has a lre a d y been gone over by a number o f people h e re , and I b e lie v e you w i l l f in d i t g e n e ra lly s a t i s f a c t o r y f o r th e p u rp o s e s w hich we d is c u s s e d . However, I am s u re you know u s w e ll enough t h a t you w i l l n o t h e s i t a t e t o ask f o r any re v is io n s t h a t would improve i t . Sincerely yours, HABlt E n el. H arold A. B e a tty KH 0 0 1 9 1 2 5