Youmans, Edward Livingston, 1821-1887.
The correlation and conservation of forces : a series of expositions, by Prof. Grove, Prof. Helmholtz, Dr. Mayer, Dr. Faraday, Prof. Liebig and Dr. Carpenter. With an introduction and brief biographical notices of the chief promoters of the new views / By Edward L. Youmans...
Rumford, Benjamin, Graf von, 1753-1814.
Force and energy.
Science.
Grove, W. R. (William Robert), 1811-1896.
Helmholtz, Hermann von, 1821-1894.
Mayer, Julius Robert von, 1814-1878
Faraday, Michael, 1791-1867.
Liebig, Justus, Freiherr von, 1803-1873.
Carpenter, William Benjamin, 1813-1885.
Tyndall, John, 1820-1893.
Roberts, Verne L. fmo