Part, §

 1 Int    |         steam is nothing but moist air heated to a high degree,
 2 Int    |          degree, every particle of air being surrounded by a thin
 3 Pre,  2|           so insufficient that the air, which pressed with a tremendous
 4 Exp    |    atmosphere or the weight of the air.~ ~F. A valve, loaded with
 5 Exp    |         the sake of preventing the air -- which presses with a
 6 Exp    |           the power with which the air is pressing upon the area
 7 Exp    |           because the steam or the air, highly rarefied through
 8 Exp    |           the steam or robbing the air, highly rarefied by the
 9 Exp    |       because the steam expels the air which steals into the cylinder
10 Exp    |          the purpose of preventing air getting through the pipe
11   I,  1|    wondered that the weight of the air was not realised until the
12   I,  1|         compared the weight of the air with a column of mercury
13   I,  1|         when one realises that the air was pressing on these half-globes
14   I,  2|              2.~ ~For although the air, which surrounds our globe,
15   I,  2|   microscopes; and a cubic inch of air is about 1000 times lighter
16   I,  2|          all this, and because the air is fluid matter, which stands
17   I,  2|    experiences a pressure from the air to the same extent as if
18   I,  3|            3.~ ~To what extent the air presses upon a vessel which
19   I,  3|            vessel which is void of air may be better conceived
20   I,  3|         weight and pressure of the air: for as long as the air
21   I,  3|            air: for as long as the air in a vessel remains in its
22   I,  3|            its natural state, this air will -- by the expanding
23   I,  3|         the expanding force of the air is equal to the weight of
24   I,  3|         equal to the weight of the air):paragrafo.press upon all
25   I,  3|         equal to the weight of the air outside, or -- applied to
26   I,  3|          fire-machine, -- when the air below the piston is in its
27   I,  3|           piston; but in case this air below the piston should
28   I,  3|      should get weakened, then the air above the piston will press
29   I,  3|            resistance of the inner air; and as the piston is attached
30   I,  4|           of 20 skeppund up in the air for the simple reason that
31   I,  5|        what a miraculous power the air is able to press upon all
32   I,  5|    expansion and elasticity of the air in a series of experiments)
33   I,  6|          what takes place with the air; for on all the air-grains
34   I,  6|            of lead, so also is the air balancing the mercury in
35   I,  7|  proportion and the density of the air decreases in a geometrical
36   I,  7|         Diminishing density of the air~ ~ ~ ~ ~7 Miles up in the
37   I,  7|                  7 Miles up in the air~ ~ ~ ~4 times thinner~ ~ ~ ~ ~
38   I,  7|            of the expansion of the air, from which follows that
39   I,  8|             that every particle of air possesses an expanding force
40   I,  9| experiments that one cubic inch of air is able, in a heated state,
41   I,  9|            against the surrounding air with the same force as if
42   I,  9|         space had been filled with air in its natural state, which
43   I,  9|          it in a small quantity of air; close the bladder tightly
44   I,  9|           particle of the enclosed air will be able to escape;
45   I,  9|          be seen that the enclosed air expands and swells to such
46   I,  9|       regains it former shape, the air inside the bladder is now
47   I,  9|           longer time, so that the air gets still more expanded
48   I,  9|           proves not only that the air obtains an incredible expanding
49   I,  9|          by the heat, but that the air, as soon as it is cooled
50   I,  9|          remarkable quality of the air of expanding when heated
51   I,  9|     cylinder, is nothing but moist air, heated to a high degree,
52   I,  9|          degree, every particle of air being surrounded by an incomparably
53   I, 10|          rarefied or expanding hot air drives out speedily all
54   I, 10|          out speedily all the cold air, existing under the piston,
55   I, 11|           I have said that the hot air (many will wonder from where
56   I, 11|            from where all this hot air is derived which the machine
57   I, 11|          un-measurable quantity of air, which can easily be proved
58   I, 11|           under the receiver of an air pump) or steam drives the
59   I, 11|           or steam drives the cold air out of the cylinder, but
60   I, 11|           understood that the cold air helps itself to get out
61   I, 11|            boils, because the cold air is also quickly heated by
62   I, 11|      cylinder; as soon as the cold air is thus driven out, which
63   I, 11|          cools the highly rarefied air and robs it of all its expanding
64 III, 41|         would right high up in the air to a level with the bells
65 III, 45|     purposes to be served; for the air surrounds the whole of our
66 III, 46|                or the force of the air when in strong motion, or