Part, §

 1   I,  2|     microscopes; and a cubic inch of air is about 1000 times
 2   I,  2| times lighter than a similar inch of water, (See Tractaten
 3   I,  5|    this element, taken cubic inch for cubic inch, is altogether
 4   I,  5|   taken cubic inch for cubic inch, is altogether too light
 5   I,  6| scale of a balance one cubic inch or die of lead, and pile
 6   I,  7|     1/100 part of an English inch.~ ~
 7   I,  9|   experiments that one cubic inch of air is able, in a heated
 8 III, 35|     drawing water out of a 9 inch pump, would be able to draw
 9 III, 35|  able to draw water of six 9 inch pumps, not spending more
10 III, 35|    dock by more than 12 nine inch pumps; for as the power
11 III, 35|     water-columns in 12 nine inch pumps, each 30 feet high,