Lecture

 1 I  |       the audience; and for this purpose, therefore, unfitted as
 2 I  | existence every moment.~It is my purpose to-day to make you acquainted
 3 II |         you these things for the purpose of bringing your minds to
 4 II |        how this is, and for this purpose I am going to use the electric
 5 II |       use a ray of light for the purpose of seeing what is in the
 6 II |        floor of the room for the purpose of illustrating this. I
 7 III|        to render it soft for his purpose: he acts upon our principle
 8 III|         better experiment for my purpose) in order to illustrate
 9 III|         our last meeting for the purpose of obtaining light, and
10 III|          there are; and for this purpose I have here some more water
11 IV |  chemical affinity; and for this purpose, as we yesterday considered
12 V  |       but delicate enough for my purpose; and suppose I take this
13 V  |         machine arranged for the purpose of rubbing glass with silk,
14 V  |       another experiment for the purpose of showing the conductibility
15 V  |      through; but it answers our purpose for the present. And so
16 VI |        it is very useful for our purpose), and I can produce hydrogen
17 VI |        claim this moment for the purpose of tendering our thanks