Show AN INTERESTING CHEMICAL EXPERIMENT Any Child Can Do ItThe Result la I Almost Like MagIcUseful Too I Anything In the nature of n chom Icnl experiment Is always Interesting and usually educative Hero Is n simple sim-ple experiment which any child can I perform and which Is Instructive In avery a-very practical way dot n bit of White Lead about tho size of n pea ix plcco of charcoal a common candlo In n candlestick nnd a blowplpo Scoop out a little hollow In tho charcoal to hold the White Lend then light tho candle tnko tho charcoal and lead In ono hand antI tho blowplpo In tho other with tho large end of tho blow plpo between the lips blow tho flame of the candlo steadily against tho bit of Whlto Lead on tho charcoal and If tho White Lead Is puro It will pros catty resolvo Itself Into little shining globules of metallic lead under tho I intense heat of tho blowpipe leaving no residue If howovor the White Load Is nilul terated In the slightest degree It will not wholly change Into lead So It will bo seen that this experiment Is not only an entertaining chemical demonstration but also of practical use In tho homo Whlto Lead Is tho most Important ingredient of paint It should be bought puro nnd unadul terated and mixed with pure linseed oil That Is tho best paint Tho above easy experiment enables anyone any-one to know whether tho paint Is the kind which will wear or not Tho National Lead Company guarantee guar-antee that white lead taken from n package bearing their Dutch Boy Painter trademark will provo absolutely abso-lutely puro under tho blowplpo test and to encourage people to make the test and provo tho purity of paint before be-fore using It thoy will send freo a blowplpo and a valuable booklet on paint to anyone writing thorn asking for Test Equipment Address National Na-tional Lead Company Woodbrldgo Building Now York City |