The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 102
ttached to the tube bya joint at D. When the bell descends to a great depth,the pressure of the water condenses the airwithin the bell, and causes the water to as-cend in the bell. This is forced out by con-stant accessions of fresh air, supplied as above mentioned. Greatcare must be taken that a… … 254. Of what does the air consist ? What follows from this ? What illustra-tion of this is given ! Upon what principle is the diving hell constructed . Whatfig. represents the diving bell? Why does not the water rise in the bell; Ex-plain the figura. 92 NATURAL PHILOSOPHY. 255. The Barometer, or…
Physics
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