A popular chemistry; . * We read in accounts of fetes at Paris, of balloons ingeniously madeto represent various animals, so that aerial hunts are devised. The ani-mals, however, persistently insist upon ascending with their feet up—acircumstance productive of great mirth in the crowd of spectators. t Let the gas escape a few moments before lighting it, so that the airmay be driven out of the flask. % The IT gun—which is simply a tin tube, closed at one end, and pro-vided with a cork at the other, having a priming-hole at the side—is usedto illustrate this fact. It may be filled over the jet o
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A popular chemistry; . * We read in accounts of fetes at Paris, of balloons ingeniously madeto represent various animals, so that aerial hunts are devised. The ani-mals, however, persistently insist upon ascending with their feet up—acircumstance productive of great mirth in the crowd of spectators. t Let the gas escape a few moments before lighting it, so that the airmay be driven out of the flask. % The IT gun—which is simply a tin tube, closed at one end, and pro-vided with a cork at the other, having a priming-hole at the side—is usedto illustrate this fact. It may be filled over the jet of the evolution flask(Fig. 16) when that is not ignited. The gas is allowed to pass in untilthe gun is about a fifth full, as nearly as one can guess, when the gun isremoved and the gases ignited at the priming-hole.. 41 H20 formed by burning H. and 0 causes the H20 which is formed to appear inthe state of steam. Immediately after, the steam Fi«. 18.