Volume Information Source: Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, Vol. 131, No. 816 (Apr. 21, 1931), pp. i-vi Published by: The Royal Society Stable URL: http://www.jstor.org/stable/95541 . Accessed: 04/05/2014 00:31 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. . The Royal Society is collaborating with JSTOR to digitize, preserve and extend access to Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character. http://www.jstor.org This content downloaded from 130.132.123.28 on Sun, 4 May 2014 00:31:59 AM All use subject to JSTOR Terms and Conditions
Transcript
Volume InformationSource: Proceedings of the Royal Society of London. Series A, Containing Papers of aMathematical and Physical Character, Vol. 131, No. 816 (Apr. 21, 1931), pp. i-viPublished by: The Royal SocietyStable URL: http://www.jstor.org/stable/95541 .
Accessed: 04/05/2014 00:31
Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at .http://www.jstor.org/page/info/about/policies/terms.jsp
.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact [email protected].
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The Royal Society is collaborating with JSTOR to digitize, preserve and extend access to Proceedings of theRoyal Society of London. Series A, Containing Papers of a Mathematical and Physical Character.
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This content downloaded from 130.132.123.28 on Sun, 4 May 2014 00:31:59 AMAll use subject to JSTOR Terms and Conditions
Explosions of Mixtures of Acetylene and Electrolytic Gas. By W. A. Bone, F.R.S.,- R. P. Fraser and F. Lake. (Plates 1-3.) .............................. . . . . 1
The Adsorption of Substances by Fuller's Earth. By H. J. Phelps. Communicated by C. N. Hinshelwood, F.R.S .............. ...... - 17
The Solution of the Torsion Problem for Circular Shafts of Varying Radius. By A. Thom and J. Orr. Communicated by R. V. Southwell, F.R.S .30
The Diurnal Tide in an Ocean bounded by Two Meridians. By D. C. Colborne. Communicated by G. R. Goldsbrough, F.R.S. 38
The Pressure Exerted by Granular Material: an Application of the Principles of Dilatancy. By C. F. Jenkin. (Plate 4.) Communicated by Sir Alfred Ewing, F.R.S ......i ..... ...... 53
The Upper Limit of Energy in the Spectrum of Radium E. By F. R. Terroux. (Plate 5.) Communicated by Lord Rutherford, F.R.S ............................... 9
The Arithmetically Reduced Indefinite Quadratic Fiorm in n-Variables. By L. J. Mordell F.R.S ............ 99
The Spectrum of Singly Ionised Antimony. By D. G. Dhavale, Communicated by M. N. Saha, F.R.S ............., . 1-i9
The Development of a High Speed Wind Channel for Research in External Ballistics. By Sir Thomas E. Stanton, F.R.S. (Plate 6.) .........................................122
The Effect of Combined Electric and Magnetic Fields on the Helium Spectrum.-II. By J. S. Foster. (Plates 7 and 8.) Communicated by A. S. Eve, F.R.S .13
Stark-Effect in Molecular Hydrogen in the Range 4100-4770 A. By J. K. L. MacDonald. (Plate 9.) Communicated by A. S. Eve, F.R.S . ..................... 146
Investigations on the Spectrum of Selenium. Part I.-Se IV and-Se V. By K. R. Rao and J. S. Badami. (Plates 10 and 11.) Communicated by A. lowler, F.R.S. . . 154
A Metrical Theory and its Relation to the Charge and Masses of the Electron and Proton. By H. T. Flint. Communicated by 0. W. Richardson, F.R.S .170
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The Kinetics of Reactions in Solution. Part I.-A Comparison of the Decomposition of Chlorine Monoxide in the Gaseous State and in Carbon Tetrachloride Solution. By E. A. Moelwyn-Hughes and C. N. Hinshelwood, F.R.S ............................ 177
The Kinetics of Reactions in Solution. Part II.-The Decomposition of Trinitro- benzoic Acid in Various Solvents. By E. A. Moelwyn-Hughes and C. N. Hinshelwood, F.R.S ................................................................. 186
The Forces on a Solid Body Moving through Viscous Fluid. By S. Goldstein. With notes in the text by J. M. Burgers. Communicated by H. Jeffreys, F.R.S ....... 198
The Magnetic Susceptibility of Binary Systems of Organic Liquids. By Miss V. C. G. Trew and J. F. Spencer. Communicated by W. Wilson, F.R.S . ..................... 209
The Study of the Magnetic Properties of Matter in Strong Magnetic Fields.-I. The Balance and its Properties. By P. Kapitza, F.R.S. (Plate 12.) ....... ........ 224
The Study of the Magnetic Properties of Matter in Strong Magnetic Fields. Part II.- The Measurement of Magnetisation. By P. Kapitza, F.R.S. (Plate1) ......... 243
The Antiseptic and Trypanocidal Action of certain Styryl and Anil Benzthiazole Derivatives. By C. H. Browning, F.R.S., J. B. Cohen, F.R.S., S. Ellingworth and R. Gulbransen. (Abstract.) ....................... 273
Some Aliphatic and Aromatic Amino Derivatives of cx-Quinoline Methiodide. By J. B. Cohen, F.R.S., K. E. Cooper and P. G. Marshall. (Abstract.) ....... ........ 274
No. $17.-May 1, 1931.
The Wave Resistance of a Spheroid. By T. H. Havelock, F.R.S . ............. * .......... 275
On Twisted Cubic Curves which satisfy Twelve Conditions. By J. A. Todd. Com- municated by H. F. Baker, F.R.S . ......................................................... 286
On the Transmission of Light by Thin Films of Metal. By S. Rama Swamy. (Plate 14.) Communicated by W. Wilson, F.R.S . ....................................... 307
On the Thermal Conductivity of some Metal Wires, By W. G. Kannuluik. Com- municated by Lord Rutherford, F.R.S . ................................................... 320
Material and Radiational Waves. By A. M. Mosharrafa. Communicated by 0. W. Richardson, F.R.S ................................................................. 335
The Chemical Constant of Chlorine Vapour and the Entropy of Crystalline Chlorine. By T. E. Stern. Communicated by R. H. Fowler, F.R.S . ............................ 339
The Velocity of Corrosion from the Electrochemical Standpoint. By U. R. Evans, L. C. Bannister and S. C. Britton. Communicated by Sir Harold Carpenter, F.RS. ................................................................. 355
On a Night Sky of Exceptional Brightness, and on the Distinction between the Polar Aurora and the Night Sky. By Lord Rayleigh, For. See. R.S. (Plate 15.) ...... 376
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PAGE The Behaviour of Electrolytes in Mixed Solvents. Part III.-The Molecular
Refractivities and Partial Molar Volumes of Lithium Chloride in Water-Ethyl Alcohol Solutions. By J. A. V. Butler and A. D. Lees. Communicated by J. Kendall, F.R.S ........... . 382
Valve Methods of Recording Single Alpha-Particles in the presence of Powerful Ionising Radiations. By C. E. Wynn-Williams and F. A. B. Ward. Com- municated by Lord Rutherford, F.R.S .............................. 391
Viscosity and Rigidity in Suspensions of Fine Particles. I.-Aqueous Suspensions. By C. M. McDowell and F. L. Usher. Communicated by R. Whytlaw-Gray, F.R.S .409
Optical and Equivalent Paths in a Stratified Medium, Treated from a Wave Stand- point. By D. R. Hartree. Communicated by E. V. Appleton, F.R.S .428
The Scattering of Light by Turbid Media.-Part I. By J. W. Ryde. Communicated by R. H. Fowler, F.R. .451
The Scattering of Light by Turbid Media.-Part I. By J. W. Ryde and B. S. Cooper. Communicated by R. H. Fowler, F.R.S .464
X-Ray Nondiagram Lines. By G. B. Deodhar. Communicated by 0. W. Richardson, F.R.S. . 476
The Theory of Metallic Corrosion in the Light of Quantitative Measurements. -Part IV. By G. D. Bengough, A. R. Lee and F. Wormwell. (Plates 16-22.) Communicated by Sir Harold Carpenter, F.R.S . ....................................... 494
No. 818.-June 3, 1931.
On the Periodicity in Series of Related Terms. By Sir Gilbert Walker, F.R.S . ..... 518
Ethyl Alcohol, A Product of High Pressure Syntheses. By G. T. Morgan, F.R.S., and R. Taylor ........... ....................................... . .... 533
The Decay Constant of Uranium II. By C. H. Collie. Communicated by F. A. Lindeman, F.R.S ......................................................... 541
The Reflection of Vapour Molecules at a Liquid Surface. By T. Alty. (Plate 23.) Communicated by Sir Joseph Thomson, F.R.S . ........................................... 554
Viscosity and Rigidity in Suspensions of Fine Particles. II.-Non-Aqueous Suspensions. By C. M. McDowell and F. L. Usher. (Plates 24-26.) Comr municated by R. Whytlaw-Gray, F.R.S ..................................... 564
The Colloid Chemistry of Dyes: the Aqueous Solutions of Benzopurpurine 4B and its Isomer prepared from m-Tolidine.-Part I. By C. Robinson and E. A. T. Mills. Communicated by F. G. Donnan, F.R.S .................................... 576
The Colloid Chemistry of Dyes: the Aqueous Solutions of Benzopurpurine 4 B and its Isomer prepared from m-Tolidine-Part II. By C. Robinson and H. A. T. Mills. Communicated by F. G. Donnan, F.R.S .................................... 596
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The Molecular Symmetry of Ilexa-aminobenzene in the Crystallne Stae d certain other Properties of the Substance. By I. E. Knags. (Plate 27.) Communicated by Sir William Bragg, F.R.S. ....................I......S............. 612
An X.Ray Study of Mantol, Dulcitol, and Mannose. By T. C. Marwick. (Plate 28.) Communicated by Sir William Bragg, F.R.S ............................................ 621
Some Investigations in Rdntgen Spectra. Part I.-X- ay Spark tines. By G. B. Deodhar. (Plate 29.) Communicated by 0. W. Richardson, F.R.S. ............. 633
Some Investigations in Rontgen Spectra Part IIL-X-Ray Spectra and Chemieal Combination. Suiphur. By G. B. Deodhar. (Plates 30, 31.) Cmmuicated by 0. W. Richardson, F.R ..S ........................... ............................ . 647
Some Investigations in ROutgn Spetera. Part Il.-Fine Structure of K-Absorpton Edge of Si02. By G. B. Deodhar. Communicated by 0. W. Richardson, F.R.S. 654
The Spectrum of If 2.-The Bands ending on 2p3ll Levels. By 0. W. Richardson, F.R.S., and P. M. Davdson .................... . . ..... .................. 658
A, lysis of the Long Range -Particles from Radium C. By Lord Rutherford, F.R.S . .................................................................................................. 684
OBITUARY NOTICES.
Alfred Barnard Ba set ..................................................................... Lord Melchett (with portrait) I......................................* ............. i1 Sir Charles Parsons (with porta) rat............... ......................I......... v
