Document Dv248XVrMXyz4NJ9eqXBK2YQn

proper symbol.. W. P. MARSHALL. Pr c s id c n t ^ Letter Telegram . j 2=38The filing time shown in the dare line on domestic telegrams STANDARD TIME at point of origin. Time of receipt Is STANDAP^^^Ij^^ig^t' desftfeAriai l CTA058 DEB067 DE ROAOIg/LONG PD=FAX ROYAL OAK MlCH 26 91iAMEf >DR R Xk EHOE , CONFIDENT"! AC, COLLEGE OF MEDICINE3 r u h Vv e b s Xt v o f _ Cin c in n a t i EDENVAVE CIN; ItV, I "1 ' F, ' FOLLOW!NG IS VERBATIM QUOTE FROM CARBIDETS 'INTERFERENCE STATEMENT j|N AP?3 VERSUS APr30 CASEf v 1 "THERE ARE A NUMBER OF DIFFERENCES BETWEEN `X. CYCLOPENTADIENYL MANGANESE TRICARBONYL (IE AP-30) AND..___.. **?..................................................... .' : ... . . ........ ^ . **'` . ... ... .^4* . ^ JHE COMPOUND OF CLAIM 3 (TE AP-3) WH ICH ARE EQUALLY 's t r ik in g a n d u n e x p e c t e d , t h u s . c Yc Lo p e n t a d ie n YL - .MANGANESE JRTCARBONYL IS GREATLY MORE TOXIC THAN THE COMPOUND OF CALIM 3. THE MEDIAN LETHAL DOSE (LD 50) FOR r a t s Ts V . 55 t ime s Le s s f o r t h e f o r me r t h a n f o r t h e --------------------------- :--- ; r------- > V- . THE COMPANY WILL APPRECIATE SUGGESTIONS FROM ITS PATRONS CONCERNING ITS SERVICE La t t e r - .-?* .'. - --aC;pl as s o f Ser vri/c s > WESTERN:thU U a fast message .. ^ SYMBOLS DL-- l>ay Letter ^ unless fts thjjetred char- ' acter is indicated by the proper symbol. TELEGRAM NL= Night Letter 1201 . _tmcrnatu%nal Letter Telegram . V _^__________________ // W. P. MARSHALL. PnaaiosNT V- -- --/ The filing time shown in the date line on domestic telegrams is STANDARD TIME at point of origin. Time of receipt is STANDARD TIME at point of destination __ ____ __ __ . ...... . . ~2 I ~ AND TH PERMTs SIBLE TIME GF .EXPOSURE OF RATS TO THE ............ r-....Z___s'-__-91^*:., ..'i *?:. _____. .*. V-- V VAPORS OF THE JWO SUBSTANCES IS 10 JO 12 Tj'MES LESS ;. fOR CYCL0PENTAD];ENYC MANGANESE TR'!'CARB0NL|Y. THAN FORHHE L* Co mp o u n d o f c l a im 3. a g a in , Toxicm Ts a n imp o r t a n t FEATURE IN ADAPTABILITY AS A GASOLINE ADDITIVE'' <1 DO YOU HAVE ANY COMMENT OR CONTRADICTION?* ARTHUR S HAWKES ETHYL CORP=-