Lecture

 1 I  |       illustration, because if we look into it we shall find that
 2 I  |       acid was at once apparent.] Look how it is going down. How
 3 II |          lamp and the screen; now look at the size of the shadow
 4 II |          consequence). and if you look at it it will first of all
 5 II |      shall want this afterward to look to and examine its internal
 6 II |         again. You see we can not look into the middle of a body
 7 II |           the inside form, and we look through it, but we can not
 8 II |       rings and that black cross. Look at those colors: are they
 9 III|          glorious thing for us to look at the sea, the rivers,
10 III|         it is becoming solid; and look at the colored liquid, how
11 III|           light is blown out. And look! see how the bubble is disappearing -
12 III| introduced into a jar of oxygen.] Look at that! See how the very
13 IV |       soon the water is produced. Look at that dimness on the sides
14 IV |         certain amount of change. Look, they are already becoming
15 IV |           immediately took fire.] Look! look at the lead burning!
16 IV |     immediately took fire.] Look! look at the lead burning! Why,
17 V  |        holding it near the ball], look at the attraction which
18 V  |        with what we call amalgam, look at the attraction which