clean white flameis produced. The inventor says thatother metals may be em-ployed, though he hasfound no other so goodas platinum. He hasalso discovered that aplate on one side of thewick only will preventthe formation of smoke.This improvement wasinvented by AntonioMeucci, of Clifton, N.Y. It has… … Nitric Acid Stains.Those who are engagedin chemical operations,either as amateurs or as practitioners, frequently usenitric acid, which stains the skin of the hands adeep yellow, and is so difficult of removal that itusually remains until the epidermis is renewed. M.Schwarz, in the Repertoire de…
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