S A I. T 3*
?T&
K.
R E M A R
Only a fmall portion mu.ft be put in at a time, andthe heat be very gentle. — Even a re-fublimatioafrom tobacco-pipe clay does not fo effe&ually puri-fy the ßowers as might be wiihed. L.
The Chymifts have long difufed che paper-cone.Maud, of London, and others, employed glafs re-torts, for thefirft fublimatipn, with the narrow partpf the tubes cut off, towhich they joined receiversnot luted; fcraping out the floy/ers frequently fromthe necks of the retorts, and ufing a degree of heatjuft fufficientto keep the Benzoin rnelced, For the.rectification, they employed ftone-ware bodies, with.3,arge glafs blind-heads fitted to them, without lu-ting. The impure Towers, after being wrapped \\\bibulous paper and moderately preffed, \yere re-fublimed into the blind headsof a pearly whitenefs,Mr. Bartlett, a difciple of Maud's, improved theapparatus for large quantities; but the defcription ofit is too long to be inferted here.
The fiowers are given from three or four grains tafrfteen in dyfpncea, &c.
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