The black art fully exposed and laid bare .. (1875)
New York, F. M. Reed · leaf 18
ng-glass over the light, and push it carefully down intothe water. The glass being full of air prevents the waterentering it. You may thus see the can-dle burn under water, and bring it upagain to the surface, still alight. ThisexjDeriment, simple as it is, serves toelucidate that useful… … 12 THE BLACK ART FULLY EXPOSED. die consnmes as much air as a man, and he requiresnearly a gallon of air every minute, so that, according tothe size of the glass over the flame, you can calculate howmany seconds it wiU remain alight; of course a largeflame requires more air than a small one. For…
Magic tricks
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