Lecture

 1 II|             at all. It is that [the magnet] which makes them hold together.
 2 V |             piece of iron, I take a magnet, and examine it in a similar
 3 V |           ends repels the suspended magnet; the force, then, is no
 4 V |           take the other end of the magnet and bring it near, it shows
 5 V |        experiment. Here is a little magnet, and I have colored the
 6 V |             Now this end (S) of the magnet attracts the uncolored end
 7 V |         uncolored end of the little magnet. You see it pulls toward
 8 V |         bring the middle of the bar magnet opposite the uncolored end
 9 V |    attracting different ends of the magnet - a double power, already
10 V | artificially. Here is an artificial magnet in which both ends have
11 V |           called, on the top of the magnet, and taking hold of the
12 V |          along one extremity of the magnet, and then draw the other
13 V |   extremities, yet the whole of the magnet is concerned in giving the
14 V |             I am going to make it a magnet by rubbing it on the large
15 V |             rubbing it on the large magnet. I have now made the two
16 V |        shown that every part of the magnet contains this power of attraction
17 V |           this steel is in itself a magnet. Here is a little fragment
18 VI|            it has no power over the magnet. But observe it when I make
19 VI|           should find that it was a magnet. See what power it must
20 VI|       action, heat and light from a magnet, but what more need I show