Lecture

 1 I  |      of the scales immediately goes down; that shows you (using
 2 I  |       take it off, the balance goes back again and resumes its
 3 I  |       do not - the penny-piece goes down first. But, not place
 4 II |     upon the plate.] There! it goes through, just as it would
 5 II |     there. The light which now goes to you from that piece of
 6 II |    piece of plain glass, A, it goes straight through without
 7 II | different effect. It no longer goes to that wall, but it is
 8 II |       just as I please. Now it goes there, now here. [The lecturer
 9 II |      how beautifully the light goes through those parts which
10 III|     end of the tube (D), there goes the vapor ascending into
11 III|        combustion of the match goes on! Again, if I were to
12 IV |     these cases the combustion goes on independent of the oxygen
13 IV |    does not continue; the heat goes away as soon as the action
14 IV |      here is a brass rod which goes through that hole, and fits
15 IV |      dipping it into water, it goes through with perfect facility,
16 V  |     and up the wooden rod, and goes to the tassel at the top,