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. XXXVIII.-FIFTH SERIES. LONDON: TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. SOLD BY SIMPKIN, MARSHALL, HAMILTON, KENT, AND CO., LD.; WHITTAKER AND CO.; AND ASHER AND CO., BERLIN. "Meditationis est perscrutari occulta; contemplationis est admirari perspicua.... Admiratio generat quæstionem, quæstio investigationem, investigatio inventionem."-Hugo de S. Victore. CONTENTS OF VOL. XXXVIII. Mr. W. Sutherland on the Attraction of Unlike Molecules.- Mr. Carl Barus on Coloured Cloudy Condensation, as Depend- Page Dr. W. Peddie on Torsional Oscillations of Wires.. Mr. W. B. Croft: Some Observations on Diffraction. (Plates 70 Prof. O. Henrici on a New Harmonic Analyser Mr. Archibald Sharp on an Harmonic Analyser, giving Rev. O. Fisher on the Effect of Sphericity in Calculating the Position of a Level of no Strain within a Solid Earth, and on the Contraction Theory of Mountains Dr. John Kerr on a Fundamental Question in Electro-Optics. 144 Notices respecting New Books:- |