A history of the growth of the steam-engine (1878)
Thurston, Robert Henry, 1839-1903 · New York, D. Appleton · leaf 464
an,was to turn a paddle-wheel by a definite power in a knownweight of water. He finally, in 1849, concluded theseresearches. The method of calculating the mechanical equivalent of THE HISTORY OF ITS GROWTH. 439 heat which was adopted by Dr. Mayer, of Heilbronn, is asbeautiful as it is ingenious :… … James Presoott Joule. one portion at the original volume, and permitting the otherto expand under a constant pressure equal to that of theatmosphere. In each vessel there will be inclosed 0.08073pound, or 1.29 ounce, of air. When, at the same tempera-ture, the one has doubled its pressure and the…
Steam-engines
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
