Lecture

 1 I  |  cardboard, and this point is exactly below the point of suspension.
 2 I  | observe I must get that point exactly under the centre of gravity,
 3 I  | bottle and gold leaf all fall exactly in the same time.~Here is
 4 II |   shadows as much of it as is exactly equal to its own size; but
 5 II |    you see at once how much - exactly the quantity which I have
 6 II |      find that your shadow is exactly in proportion to the square
 7 II |      over the coke, making it exactly resemble a natural mineral.~
 8 III| particles, although he is not exactly acquainted with the terms
 9 III|      water becomes steam. And exactly the same thing happens with
10 IV |     bubbling up in appearance exactly like the oxygen we obtained
11 IV |  chemical action is set going exactly as it would be it I had
12 VI |     zinc covered with mercury exactly in the same way as the zinc