Tobacco Documents Online

. 8. Ii. Ganger cati.ne reemova2 in Xe preacutLea ra prove wzau a uv7s ut.> s is sufficient to produce a con- platelf negatife skin tempera.ture reaction in sensitive SmoItern. .t s pzrsvement in the afficiencieds ef tha t~aa, (2) competitive b mentioned: ~1t"tha,saent tSme'w* -am stvdying other;f3lt < ped cigarettes for the gnrFwse of acquiriiag further crrnfir .eviderice ia support of cur, seven (7)vL~» d..o3ais~. f " >,r+time,~..~rxtz>~a: ~ ' Very trulsr yours. . ;.efficiessaies in ICeuts ParliameAto snd 4ic ~'mittsd.lhe first of itavemiaer by our Sales dngglea~-Chissegv*"dn3 New.Tflrk.°rfihi~t ~r SSra %iliiau has co H. B. Pasffie7s Direatar, oF &asesrch

s December a . :1,zs'rapoz°G cover3 work iich have beIIn dra.nn frrim s tFie gensrall conclus removes sufficient nicotine from the smoke to eliminate any de,. arease Sft skin temperaturs cf sensitive people. ' Hoarever3 he fur- ther firsds that when the filter of such cigarettes is removed then the extent of skin te agerature drop is proportionate to the amount _. ,af . cigarette amaked, . In other wordst the Mcrc+nite filter current nsefi is efficient enough to abscure vsscrcozsstrictiQn as evidence3 by sk.in temperatura measurements, _ .. .'. .. . '. ..... .. , . . i., . 3}:p. - . ;. .. '.' . .. . ' .. ; . . / t .a. ' . . 2} He finds that the efficiencg of the nee Viceroy cellu_ Iose acetate filter is far superior to the crepe psper'filter used in the past. In other words, his findings carsfism the results ob- tained by usl name2yf that the nex filter removes anpr©ximately 24, of the tars and n3catine nhereas its filter efficisnc~ used to be in tlie neighborhood cf on7Y 5 to b%, . _ , . . , 3) Dr. Bi.7.Iian has been conducting further tests on the irri.tant properties of cigarette smoke using the rabbit eye test. tIe has established a threshold dilution technique rilerein he de- t.ermines the m3nimum concentration of cigarette smoke dissolved in water necessar7 to induce irritation in the rabbitts eye. So far such v*srk has been completed on Viceroy ara3 Far3iament smoko. Ite is currently studying Kent smoke ~sich presumably eili be far Iess .131-1LP3Ying i . .r , . . . ... .. '_'~.' - . , . .. : . _ _ . . . .. . _