Lecture

 1 I  |       the first illustration I produced an effect than which nothing
 2 III|        the water which we have produced by destroying some of the
 3 III| explosions which are sometimes produced by this force of water.
 4 III|        the same kind of change produced. Moreover, it gives us the
 5 III|        colored vapors or gases produced by colorless particles themselves
 6 III|        of hyponitrous acid was produced]. Here also you see a very
 7 III|     these wires. This force is produced by the battery behind me,
 8 III|       small a portion of water produced a very large volume of vapor.
 9 III|  comparison between the effect produced by air and oxygen. If I
10 IV |       as much of this hydrogen produced on the one side as on the
11 IV |     appearance of the water so produced and the particles of which
12 IV |      see how soon the water is produced. Look at that dimness on
13 IV |     what a different result is produced. As I mix them they get
14 IV |        has been very carefully produced in fine powder, and put
15 VI |       names on that board, has produced results which are due to
16 VI |  showing you the kind of light produced by the actual combustion