THE LONDON, EDINBURGH, AND DUBLIN PHILOSOPHICAL MAGAZINE AND JOURNAL OF SCIENCE. CONDUCTED BY LORD KELVIN, LL.D. P.R.S. &c. GEORGE FRANCIS FITZGERALD, M.A. Sc.D. F.R.S. AND WILLIAM FRANCIS, PH.D. F.L.S. F.R.A.S. F.C.S. "Nec aranearum sane textus ideo melior quia ex se fila gignunt, nec noster VOL. XXXVII.-FIFTH SERIES. LONDON: TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. SOLD BY SIMPKIN, MARSHALL, HAMILTON, KENT, AND CO., LD.; WHITTAKER AND CO.; "Meditationis est perscrutari occulta; contemplationis est admirari perspicua.... Admiratio generat quæstionem, quæstio investigationem, investigatio inventionem."-Hugo de S. Victore. "Cur spirent venti, cur terra dehiscat, J. B. Pinelli ad Mazonium. ALERE FLAMMA CONTENTS OF VOL. XXXVII. Prof. Sydney Young on the Generalizations of Van der Waals regarding" Corresponding " Temperatures, Pressures, and Prof. F. R. Barrell, Mr. G. L. Thomas, and Prof. Sydney Young Mr. M. Carey Lea on Endothermic Decompositions obtained by Pressure. (Second Part.) Transformations of Energy K. D. Kraevitch on an Approximate Law of the Variation Prof. G. M. Minchin on the Action of Electromagnetic Radiations on Films containing Metallic Powders.. Prof. Oliver J. Lodge on the Sudden Acquisition of Con- ducting-Power by a Series of Discrete Metallic Particles .. 94 H. Nagaoka on Hysteresis attending the Change of Length by Magnetization in Nickel and Iron. (Plates I. & II.) .. 131 Mr. S. H. Burbury on the Law of Distribution of Energy |