Part

 1 Pre |         again have in their very experiments pursued a kind of wandering
 2 Pre |         itself; let him vary his experiments as laboriously as he will,
 3 Pre | eagerness; it has sought, I say, experiments of fruit, not experiments
 4 Pre |        experiments of fruit, not experiments of light, not imitating
 5 Pre |       the demonstrations nor the experiments as yet known are much to
 6 Pre |          no repetition of chance experiments, can overcome such difficulties
 7 Plan|        much by instruments as by experiments. For the subtlety of experiments
 8 Plan| experiments. For the subtlety of experiments is far greater than that
 9 Plan|     exquisite instruments — such experiments, I mean, as are skillfully
10 Plan|         help with present use of experiments, as to give light to the
11 Plan|         I set down at length all experiments of the mechanical arts,
12 Plan|       and get together a kind of experiments much subtler and simpler
13 Plan|    selection of the relation and experiments I conceive I have been a