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   Lecture                                grey = Comment text

 1 III   |   cloth would, or some of this cotton wool which I have here.
 2 III   |     flasks stoppered only with cotton wool (at the present time
 3 III   |        at the present time the cotton is put in after the oil
 4 IV    |        this way: this piece of cotton wool burns, as you see,
 5 IV    |    finely divided particles of cotton being diffused through the
 6 IV    |      of the affinity which the cotton has for the oxygen; but
 7 IV    |      set fire to this piece of cotton which is rolled up tightly;
 8 IV    |        oxide. But here is some cotton which has been imbued with
 9 IV(22)| Guncotton is made by immersing cotton wool in a mixture of sulphuric
10 IV    |     Suppose I take a pellet of cotton and moisten it with a little
11 V     |       and from the wire to the cotton. So you see that some powers