Lecture

 1 I  |         edges.] There you see a bubble of air bearing half a hundred-weight,
 2 I  |      press upon and flatten the bubble of air - which caused the
 3 III|       soapy). I will now blow a bubble, and that I may be able
 4 III|         able to talk and blow a bubble too, I will take a plate
 5 III|    edges of the pipe and blow a bubble on to the plate. Now there
 6 III|         plate. Now there is our bubble. Why does it hold together
 7 III|   indeed, that it gives to this bubble the very power of an India-rubber
 8 III|        this glass tube into the bubble, that it has the power of
 9 III|      out. And look! see how the bubble is disappearing - see how
10 IV |       the water which forms the bubble carries it down. But now,
11 IV | succeeded in blowing a splendid bubble, which rose majestically
12 IV |    lungs, and the weight of the bubble, you saw how it was carried
13 V  |        means of this ball, this bubble of air [a light India-rubber
14 VI |          We have now scarcely a bubble of hydrogen set free, so