Author: ROYAL SOCIETY
Title: Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences. Volume XCVI 1919-1920 (Numbers 674-680)
Description: London: The Royal Society, 1920. First Edition; First Edition. Library Buckram. Vi, 475, xxi pages. With plates, (folding) diagrams, tables & illustrations. Original wrappers bound in. With library stamps & labels. Slight wear & some soiling to spine, covers & corners. ; Ex-Library; Quarto; SERIES A. VOL. XCVI. No. A 674.-August 1, 1919.Ñ Zonal Harmonics of High Order in Terms of Bessel Functions. By John R. Airey, M. A, D. Sc. Communicated by Prof. J. W. Nicholson, F. R. S. Ñ Atmospheric Stirring Measured by Precipitation. By Lewis F. Richardson. Communicated by Sir Napier Shaw, F. R. S. Ñ Measurement of Water in Clouds. By L. F. Richardson. Communicated by Sir Napier Shaw, F. R. S Ñ Magnetic Storms of March 7-8 and August 15-16, 1918, and their Discussion. By C. Chree, Sc. D, LL. D, F. R. S Ñ On the Inter-crystalline Fracture of Metals under Prolonged Application of Stress (Preliminary Paper) . By Walter Rosenhain, B. A, D. Sc, F. R. S, and Sydney L. Archbutt, F. I. C. (both of the National Physical Laboratory) . (Plates 1-3.) Ñ On the Determination of the Secular Acceleration of the Moon+s Longitude from Modern Observations. By Ernest W. Brown, F. R. S Ñ On the Area of Surfaces. By Prof. W. H. Young, Se. D, F. R. S Ñ On Change of the Independent Variables in a Multiple Integral. By Prof. W. H. Young, Sc. D, F. R. S No. A 675.-September 4, 1919.Ñ On Certain Independent Factors in Mental Measurements. By J. C. Maxwell Garnett (late Fellow of Trinity College, Cambridge) . Communicated by Prof. A. N. Whitehead, F. R. S. Ñ Note on the Intensity Decrement in the Balmer Series. By T. R. Merton, D. Sc, and J. W. Nicholson, F. R. S Ñ Researches on the Chemistry of Coal. Part I. -The Action of Pyridine upon the Coal Substance. By William A. Bone, D. Sc, F. R. S, and Reginald J. Sarjant, M. Sc. Ñ A Study of Catalytic Actions at Solid Surfaces. I. -Hydrogenation of Unsaturated Fats in the Liquid State in Presence of Nickel. By E. F. Armstrong, D. Sc, F. I. C, and T. P. Hilditch, D. Sc, F. I. C. Communicated by Prof. H. E. Armstrong, F. R. S Ñ The Value of the Rydberg Constant for Spectral Series. By W. E. Curtis, B. Sc, Demonstrator of Astrophysics at the Imperial College of Science, South Kensington. Communicated by Prof. A. Fowler, F. R. S. Ñ Monoclinic Double Selenates of the Cobalt Group. By A. E. H. Tutton, D. Sc, M. A, F. R. S. No. A 676.-October 9, 1919.Ñ The Transparency of Biotite to Infra-red Radiations. By L. C. Martin, A. R. C. S, D. I. C, B. Sc, Lecturer in the Technical Optics Department, Imperial College of Science and Technology. Communicated by Prof. H. L. Callendar, F. R. S. Ñ Experiments with Perforated Electrodes on the Nature of the Discharge in Gases at Low Pressures. By F. W. Aston, M. A, D. Sc, Clerk-Maxwell Student of the University of Cambridge. Communicated by C. T. R. Wilson, F. R. S Ñ De Saint-Venant Solution for the Flexure of Cantilevers of Cross-section in the form of Complete and Curtate Circular Sectors, and on the Influence of the Manner of Fixing the Built-in End of the Cantilever on its Deflection. By Mary Seegar, B. Sc, and Karl Pearson, F. R. SÑ On the Relation between Wind and Distribution of Pressure. By Harold Jeffreys, M. A, D. Sc. Communicated by Sir Napier Shaw, F. R. S Ñ On a New Method of Driving off Poisonous Gases. By Mrs. Hertha Ayrton. Communicated by Prof. T. Maher, F. R. S. (Plate 4) No. A 677.-November 1, 1919.Ñ On the Colours of the Striae in Mica, and the Radiation from Laminar Diffracting Boundaries. By Phanindra Nath Ghosh, M. A, Lecturer on Optics in the Calcutta University. Ommunicated by Dr. Gilbert T. Walker, C. S. I, Sc. D, F. R. S. Ñ Diffusion of Light by Rain, Cloud, or Fog. By A. Mallock, F. R. S Ñ Bakerian -Lecture : A Study of the Line Spectrum of Sodium as Excited by Fluorescence. By the Hon. R. J. Strutt, F. R. S, Imperial College, South Kensington. (Plate 5) Ñ The Adsorption of Gases at Low and Moderate Concentrations. Part I. -Deduction of the Theoretical Adsorption Isostere and Isotherm. Part II. -Experimental Verification of the Form of the Theoretical Isosteres and Isotherms. By A. M. Williams, M. A, D. Sc, Chemistry Department, University of Edinburgh. Communicated by Prof. James Walker, F. R. S Ñ The Adsorption of Gases at Low and Moderate Concentrations. Part III. -Experimental Verification of the Constants in the Theoretical Adsorption Isostere. By A. M. Williams, M. A, D. Sc, Chemistry Department, University of Edinburgh. Communicated by Prof. James Walker, F. R. SNo. A 678.-December 15, 1919.Ñ Address of the President, Sir J. J. Thomson, O. M, at the Anniversary Meeting, December 1, 1919 Ñ A Study of Catalytic Actions at Solid Surfaces. II. --The Transference of Hydrogen from Saturated to Unsaturated Organic Compounds in the Liquid State in Presence of Metallic Nickel. By Dr. E. F. Armstrong, F. I. C, and Dr. T. P. Hilditch, F. I. C. Communicated by Prof. H. E. Armstrong, F. R. S Ñ Tidal Friction in the Irish Sea. By G. I. Taylor, M. A. Communicated by Sir Napier Shaw, F. R. S. (Abstract) Ñ A Linear Associative Algebra suitable for Electromagnetic Relations and the Theory of Relativity. By W. J. Johnston, M. A, Assistant Professor of Pure Mathematics in the University College of Wales, Aberystwyth. Communicated by Sir Joseph Larmor, F. R. S Ñ On Generalized Relativity in Connection with Mr. W. J. Johnston+s Symbolic Calculus. By Sir Joseph Larmor, F. R. S, Cambridge No. A 679.-January 2, 1920.Ñ On the Variation with Frequency of the Conductivity and Dielectric Constant of Dielectrics for High-Frequency Oscillations. By G. E. Bairsto, D. Sc, D. Eng. Communicated by Prof. J. A. Fleming, F. R. S Ñ On the Secondary Spectrum of Hydrogen. By T. R. Merton, M. A, D. Sc. Communicated by Prof. A. Fowler, F. R. S. (Plates 6 and 7) Ñ On the Spectra of Isotopes. By T. R. Merton, M. A, D. Sc. Communicated by Prof. A. Fowler, F. R. S Ñ The Scattering of X- and ? -rays by Rings of Electrons-A Crucial Test of the Electron Ring Theory of Atoms. By G. A. Schott, B. A, D. Sc, Professor of Applied Mathematics, University College of Wales, Aberystwyth. Communicated by Sir J. Larmor, F. R. S Ñ A Note on Dr. Chree+s Recent Discussion of Two Magnetic Storms. By S. Chapman, M. A, D. Sc, F. R. S, Professor of Mathematics and Natural Philosophy in the University of Manchester Ñ An Explanation of Criticisms on Dr. S. Chapman+s Recent Paper, - An Outline of a Theory of Magnetic Storms. + By C. Chree, Sc. D, LL. D, F. R. S No. A 680.-February 3, 1920.Ñ The Measurement of Magnetic Susceptibilities of Low Order. By Ernest Wilson, M. Inst. C. E, M. I. E. E, Siemens Professor of Electrical Engineering in the University of London. Communicated by Prof. J. W. Nicholson, F. R. S Ñ On the Variations of Wave-length of the Oscillations Generated by Three-electrode Thermionic Tubes due to Changes in Filament Current, Plate Voltage, Grid Voltage or Coupling. By W. H. Eccles, D. Sc, and J. H. Vincent, M. A, D. Sc. Communicated by Prof. W. H. Bragg, C. B. E, F. R. S Ñ Equal Parallel Cylindrical Conductors in Electrical Problems. By F. J. W. Whipple, M.A. Communicated by Dr. C. Chree, F.R.S Ñ OBITUARY NOTICES OF FELLOWS DECEASED. Sir William Crookes (with portrait) Sir Joseph Wilson Swan (with portrait) George Carey Foster. Good .

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