Lecture

 1 I  |      a force in the water to produce the result; but that force
 2 II |   its internal structure and produce a similar effect. Here is
 3 III|     inch in bulk (A), should produce a volume of steam of that
 4 III|  them chemically combine and produce water.~I must now show you
 5 IV | hydrogen unite together they produce water, and you have seen
 6 IV |   the glass, which will soon produce drops, and trickle down
 7 IV |    of chemical affinity, and produce a body entirely unlike either
 8 IV |      chemical affinity is to produce Heat and light; you know,
 9 IV |    other ways. Friction will produce heat. The Indians rub pieces
10 IV |  friction, but I can readily produce heat enough to ignite some
11 VI |      our purpose), and I can produce hydrogen gas by putting
12 VI |     and chemical affinity to produce magnetism has become known.