Lecture

 1 I  |      have therefore brought into use a power of doing so - the
 2 I  |   another kind of power, I might use gunpowder with which to
 3 I  | therefore the very means which I use to cause the water to enter
 4 I  |   attracted to the earth, or, to use a more learned term, gravitate.
 5 II |          advise you to do if you use a glass vessel, namely warming
 6 II |       earth are of strength - we use iron, stone, and other things
 7 II |       this purpose I am going to use the electric light again.
 8 II |    lesson in the way in which we use a ray of light for the purpose
 9 II |           and I am going to make use of this power which matter
10 II |         be good enough to let us use his light again, we will
11 III|        particles of ice, we made use of another force, namely,
12 V  |       substance which we may not use. Here are some indicators.
13 V  |        easily understand that we use glass legs because these
14 VI |          place to place! When we use gunpowder for explosive