Volume Information Source: Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, Vol. 117, No. 776 (Dec. 1, 1927), pp. i-vi Published by: The Royal Society Stable URL: http://www.jstor.org/stable/94766 . Accessed: 05/05/2014 19:52 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 62.122.77.14 on Mon, 5 May 2014 19:52:17 PM All use subject to JSTOR Terms and Conditions
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Volume InformationSource: Proceedings of the Royal Society of London. Series A, Containing Papers of aMathematical and Physical Character, Vol. 117, No. 776 (Dec. 1, 1927), pp. i-viPublished by: The Royal SocietyStable URL: http://www.jstor.org/stable/94766 .
Accessed: 05/05/2014 19:52
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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A Theory of Electric and Magnetic Birefringence in Liquids. By C. V. Ranan, F.R.S., and K. S. Krishnan .................................. .......... I
Density of the Vapour in the Mercury Arc and the Relative Intensities of the Radiated Spectral Lines, with Special Reference to the Forbidden Line X 2270. By B. Venkatesachar. Communicated by Lord Rayleigh, F.R.S. (Plates 1-3) . 11
On the Input Limit of an X-Ray Tube with Circular Focus. By A. Muller. Com- municated by Sir William Bragg, F.R..S................................................. 30
The Dielectric Constants of Ammonia, Phosphine, and Arsine. By H. E. Watson. Communicated by F. G. Donnan, F.R.S ............................. . 43
An X-Ray Study, of the Heat Motions of the Atoms in a Rock-Salt Crystal. By R. W. James and E. M. Firth. Communicated by W. L. Bragg, F.R.. 62
Shifts and Reversals in Fuse-Spectra. By A. C. Menzies. Communicated by R. Whiddington, F.R.S. (Plate 4) ......................... 88
A Study of the Catalysis by Nickel of the Union of Hydrogen and Oxygen by a New Method. By D. R. Hughes and R. C. Bevan. Communicated by D. L. Chapman, F.R.S . 101
The Average Energy of Disintegration of Radium E. By C. D. Ellis and W. A. Wooster. Communicated by Sir Ernest Rutherford, P.R.S. . 109
The Elasticity of the Collisions of Alpha Particles with Hydrogen Nuclei. By P. M. S. Blackett and E. P. Hudson. Comm-unicated by Sir Ernest Rutherford, P.R.S. (Plate 5) .... 124
The Relative Stability of Nitrous Oxide and Ammonia in the Electric Discharge. By W. K. Hutchison and C. N. Hinshelwood. Communicated by H. Hartley, F.R.S .131
Application of Quantum Mechanics to the Stark Effect in Helium. By J. S. Foster. Communicated by N. Bohr, For. Mem. R.S. (Plates 6-13) .137
The Spectrum of Carbon Arcs in Air at High Current Densities. By J. W. Ryde. Communicated by A. Fowler, F.R.S. (Plates 14-16) ......... 164
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Studie of Gas-Solid Equilibria. Part I.-Pressure-Temperature Equilibria between Benzene and (a) Ferric Oxide Gel; (b) Silica Gel in Sealed Systems of Known and Unalterable Total Composition. By B. Lambert and A. M. Clark. Com- municated by P. Soddy, F.R.S.. ............................................. 183
Adjoint Differential Equtions. By . B. Pidduck. Comi unicated -by A. E. H. Love, F.R.S. ...... ............. .. ... 201
The Refractive Index of Quartz. By W. R. C. Coode-Ada -. Comiunicated by
On the Temperature I actors of X-Ray Reflexion for Sodium and Chlorine in the Rook-Salt Crystal. By I. Waller and R. W. James. Communicated by W. L. Bragg, F.R.S .-..................S;....... ................o.............
I ....v..........-.............. 214
On the E xcitation of Polarised Light by Electron Inpact. 11.-Mercury. By H. W. B. Skinnier and E. T. S. Appleyard. Communicated by Slr Ernest Ruther- ford, P.R.S........................................................................................224
On the Effect Of Temperature on the Viscosity of Air. By R. S. Edwards. oreword by A. O. Rankine. Commanicated by H. L. Callendarl, F.R.S . ..........45 .......... 245
Free Motion in the Wave Mechanies. By C. G. Darwin, F.R.S. .......................... 258
The Line Spectrum of lbercury in Absorption. Oceurrence of the Forbidden Line X 2270. By Lord Rayleigh, F.R.S. (Plate 17) .. . .. 294
Minutes of Meetings of Novenmber 3, 10, 17, 1927.
No. 777-January 2, 1928. Address of the President, Sir Ernest Rutherford, O.M., at the iversary Meeting,
November 30, 1927. ...........................................................................300
The Spectrum of Doubly lonisedl Oxygen (O II1). By A. Fowler, F.R.S -. .. 317
A Vector Loci Method of Trealting Coupled Circuits. By E. Mallett. Communicated by T. M ather, F.R .S.- . ........................................................................ 331
The Ultra-Violet Ba id-System of Carbon Monosulphids and its Relation to those of Carbon Monoxide (the " 4th Positive " Bands) and Silicon Monoxide. By W. Jevons. Coammunicated by Prof. A. Fowler, F.R.S ............................... 351
Spectrophotonetric Observations on the Growth of Oxide iilins on Iron, Nickel, and Copper. By F. H. Constable. Communicated by T. M. Lovry F.R.S - ........376
An Experimental Study of the Motion of a Viscous Liquid contained between Two Coaxial Cylinders. By J. W. Lwis. Communicated by Prof. H. M. Plummer, F.R.S. (Plate 18) ................................................................................. 388
The Spectrum of Fluorine (F I). Part TT. By H. Dingle. Communicated by Prof. A. Fowler,, FP..S . . I
Resistance to a Barrier in the Shape of an Are c a Circle. By L. Rosenhead. With Note by S. Brodetsky. Communicated by L. Bairstow, F.R.S ...................417
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A AMagnetometer for the iMeasurement of the Earth's Vertical Magnetic Intensity in C.G.S. Measure. By D. W. Dye. Communicated by Sir Arthur Schuster, F.R.S. 434
The Thermal Conductivities of Certain Liquids. By G. W. C. Kaye, O.B.E., and W. F. Higgins. Communicated by Sir Joseph Petavel, F.R.S. ........ ............. 459
The Magnetic Properties of Single Crystals of Nickel. By W. Sucksmith, H. H. Potter and L. Broadway. Communicated by A. P. Chattock, F.R.S . ............... 471
The Continuous Absorption of Light in Potassium Vapour. By R. W. Ditchburn'. Communicated by Sir J. J. Thomson, F.R.S ........................................486
On a Photoelectric Theory of Sparking Potentials. By J. Taylor. Communicated by 0. W. Richardson, F.R..S ................................................ 508
The Crystal Structure of the Chondrodite Series. By W. H. Taylor and J. West. Communicated by W. L. Bragg, F.R.S ............................................... 517
The Structure of Surface Films. Part X.-Phenols and Monoglycerides. By N. K. Adam, W. A. Berry and H. A. Turner. Communicated by Sir William Hardy, F.R.S. . ................................................................................................532
Minutes of Meetings of November 30, and December 8, 1927.
No. 778-February 1, 1928. On a New Effect in the Electric Discharge. By T. R. Merton, F.R.S . ..................... 542
The Restored Electron Theory of Metals and Thermionic Formulhe. By R. H. Fowler, F.R.S. ........ 549
Gaseous Combustion at High Pressures. Part IX.-The Influence of Pressure upon the " Explosion Limits " of Inflammable Gas-Air, etc., Mixtures. By W. A. Bone, F.R.S., D. M. Newitt, and C. M. Smith . 553
On a Method of Determining the State of Polarisation of Downcoming Wireless Waves. By E. V. Appleton, F.R.S., and J. A. Ratcliffe ........................................576
A Theory of the Optical and Electrical Properties of Liquids. By C. V. Raman, F.R.S., and K. S. Krishnan .....................................................589
Experiments on the Diffraction of Cathode Rays. By G. P. Thomson. Communi- cated by Sir Joseph Thomson, F.R.S. (Plate 19) ............. .......................... 600
The Quantum Theory of the Electron. By P. A. M. Dirac. Communicated by R. H. Fowler, F.R.S .................. 610
The Fundamental Equation of Wave Mechanics and the Metrics of Space. By H. T. Flint and J. W. Fisher. Comm-unicated by 0. W. Richardson, F.R.8 . ............ 625
Relativity and the Quantum Theory. By H. T. Flint. Communicated by 0. W. Richardson, F.R.S.630.......... .............................. . 630
On a Minimum Proper Time and its Applications (1) to the Number of the Chemical Elements (2) to some Uncertainty Relations. By H. T. Flint and 0. W. Richardson, F.R.S.63 7.. . . . .............................. 637
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Critical Potentials for Soft X-Ray Excitation. By U. Andrewes, A. C. Davies, and F. Horton, F.R.S. ................................................................... 649
The Solubility of Hydrogen in Silver. By E. W. R. Steacie and F. M. G. Johnson. Communicated by Prof. A. S. Eve, F.R.S . ....................... 662
The Specific Heats of Ferromagnetic Substances. By L. F. Bates. Communicated by A. W. Porter, F.R.S . ..................................... . . . . . . 680
The Tides in Oceans on a Rotating Globe-Part 1. By G. R. Goldsbrough. Com- municated by Prof. T. H. Havelock, F.R.S .. .......................................692
On the Extraction of Electrons from Cold Conductors in Intense Electric Fields. By 0. W. Richardson, F.R.S .................................................719
Miuntes of Meeting of January 19, 1928.
OBITUARY NOTICES.
Sir William Augustus Tilden (with portrait) ..... ..... . ... .......... Arthur William Crossley (with portrait) ........................................... . vi W illiam Burnside (with portrait) .. ............. .^...... ......... ..... ... xi Willem Einthoven (with portrait) .................... ......... xxvi Henry Martyn Taylor (with portrait) ...... .... ............................ xxix
Index ............. ......................................................e... ..................... xxxiii
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