Abstract
THE Journal of the Franklin Institute for July contains:—How to determine the grade of expansion and the size of a steam-engine which is to perform a given duty with the least total expenditure of money per working hour, by L. D'Auria.—Present state of the subject: “Heat of combustion of coal,” by Chief Engineer Ishervood, U.S.N. (with figures and tables).—New York to Chicago in seventeen hours, by W. Barnet Le Van (4 diagrams).—Electro-dynamics, by John W. Nystrom.—A short paper criticising Moncel's formulæ in “Electricity as a Motive Power.”—The ellipticity of planets, by Pliny Earle Chase, LL.D.—The discharge of turbine water-wheels, by. J. P. Frizell (with tables).—The iridium industry, by Wm. L. Dudley (illustrated).—Physical and chemical tests of steel for boiler and ship plates for the U.S. Government cruisers, by Pedro G. Salom (5 pages of tables).—To tell iron from steel in small pieces (translated from Dingler's Polytechnisches Journal, by W. F. Worthington, U.S.N.—Report on the trial of the “City of Fall River,” by J. E. Sague, M. E., and J. B. Adger, M. E.—Correspondence.—Book Notices.—Franklin Institute.—Items.—Low temperatures.—Ventilation of sewers.—Marsant's safety lamp.
Article PDF
Rights and permissions
About this article
Cite this article
Scientific Serials . Nature 30, 508 (1884). https://doi.org/10.1038/030508a0
Issue Date:
DOI: https://doi.org/10.1038/030508a0