Lecture

 1 I |     special power which these balls themselves have not; for
 2 I |      has to attract these two balls [dropping two ivory balls],
 3 I |     balls [dropping two ivory balls], just so much power have
 4 I |       were to place these two balls near together, I should
 5 I |   myself, sensible that these balls did attract one another;
 6 I |    owing to there being those balls of lead hanging down on
 7 I |    than another: here are two balls of lead, a very light one
 8 I |  little bag a number of these balls sufficient to make up a
 9 II| bodies [two equal-sized ivory balls suspended by threads] near
10 II|     that [changing one of the balls for a much larger one],
11 II|        If I take one of these balls and place it within an inch
12 II|       attraction of these two balls; they attract according
13 V |    have fastened these wooden balls by a little wax at particular