Lecture

 1 I  |      if I put this additional weight into the opposite scale,
 2 I  |   this power of matter called weight or gravity. Bodies are heavy;
 3 I  |    Here I have what we call a weight [an iron half cwt.] - a
 4 I  |      cwt.] - a thing called a weight because in it the exercise
 5 I  |     and I am going to put the weight upon it, to give you a sort
 6 I  |    there must be to pull this weight downward, to sink it thus
 7 I  | balance - which made the iron weight press upon and flatten the
 8 I  |   marble. Now this marble has weight, as you will see if I put
 9 II |     will hold up twenty tons' weight before the little set of
10 II |      and swung with his whole weight resting upon it for some
11 II |    while hanging here, all my weight is supported by these little
12 III|   oxygen is sixteen times the weight of the other - eight times
13 III|     composed of nine parts by weight - one of hydrogen and eight
14 IV |       was only one-eighth the weight of the oxygen. I carry this
15 IV |    air from my lungs, and the weight of the bubble, you saw how
16 IV |   consider this phenomenon of weight as indicating how exceedingly
17 IV |      size, it is equal to the weight of portions of water, air,
18 IV |       destroy gravitation, or weight, or all things that exist,
19 IV |      out to you that eight by weight of oxygen to one by weight
20 IV |    weight of oxygen to one by weight of hydrogen went to form