he thermometer and dry to the hygrometer; or, in other words, dense, and containing little else than the necessary oxygen and azote, and this supplied to a room, fresh and fresh, in a continual current.'
He next goes on to describe the principle of his new plan of cooling:--'The method by which I propose to accomplish this consummation, so devoutly to be desired, is chiefly by taking advantage of the well-known property of air to rise in temperature on compression, and to fall on expansion. If air of any temperature, high or low, be compressed with a certain force, the temperature will rise above what it was before, in a degree proportioned to the compression. If the air be allowed immediately to escape from under the pressure, it will recover its original temperature, because the fall in heat, on air expanding from a certain pressure, is equal to the rise on its being compressed to the same; but if, _while the air is in its compressed state, it be robbed of its acquired heat of compression_, and then
When everyone reads minds, a secret is a danger... Read more
Is The Iron Eagle a psychotic serial killer?
In the fall of 1984, Cold War tensions between... Read more
Author Al Macy is a character and a tightwad wi... Read more
The list of books below is based on the weekly downloads by our users regardless of eReader device or file format.
See more popular titles from this genre.