Show i 1 I 1 1 IT IS NOT PROFESSOR SOR MALLET CORRECTS CIGARETTE CRITICS MISTAKES la in the scientific amrel can on a matter batter of popular milsap stained to ia I 1 no test at AIL J T W mallet professor of clems chemistry ry in the university of virginia in a communication muni cation to the current number of the scientific american says with reference to cigarettes of american manufacture ignorance of easily ascertainable scientific facts is however common CO ammo n enough as is often illustrated by the brown oily material formed in the smoking of tobacco being pointed out as nicotine though in reality this Is merely the tar produced by the action of heat on the woody fiber of the leat leaf nicotine when pure Is a colorless fluid of somewhat oi doiy y consistence and strong peculiar penetrating odor but it darkens on exposure to air and light becoming first yellow and then brown so that it looks in this darkened condition something eke the tarry matter which soils a smokers fingers or a handkerchief through which tobacco I 1 smoke moke s Is exhaled or is often noticed as deposited in the stem of a pipe this tarry deposit has nothing essential in common with nicotine and contains con bains but traces of this alkaloid when when any at all A part but only a small part abai about it one seventh in the experiments of of the real nicotine of tobacco la is volatilized without decomposition the remainder is burned and destroyed in the process of smoking the simple facts are that such cigarettes as I 1 have examined representing a large part of those in general use throughout the united states are made from pure light yellow tobacco of the high grade produced on certain special soils prominently in certain of the southern counties of Virgin virginia la and the adjacent portion of north carolina with wrappers of the best quality of har harmless vegetable fiber paper and are entirely free from the adulterants adulte rants which it has been asserted are present with no evidence in favor of such assertion ser tion and in absolute contradiction of the scientific evidence actually available |