Part, §

1   I,  2|    best of microscopes; and a cubic inch of air is about 1000
2   I,  5|      that this element, taken cubic inch for cubic inch, is
3   I,  5| element, taken cubic inch for cubic inch, is altogether too
4   I,  6|    one scale of a balance one cubic inch or die of lead, and
5   I,  9|       by experiments that one cubic inch of air is able, in
6   I,  9|      to fill a space of 15000 cubic inches and to press against