Volume InformationSource: Proceedings of the Royal Society of London. Series A, Containing Papers of aMathematical and Physical Character, Vol. 138, No. 834 (Oct. 1, 1932), pp. i-vPublished by: The Royal SocietyStable URL: http://www.jstor.org/stable/96004 .
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PROCEEDINGS
OF THE
ROYAL SOCIETY OF LONDON SERIES A
CONTAINING PAPERS OF A MATHEMATICAL AND PHYSICAL CHARACTER.
VOL. CXXXVIII.
LONDON:
PRINTED FOR THE ROYAL SOCIETY AND SOLD BY
HARRISON AND SONS, LTD., ST. MARTIN'S LANE, PRINTERS IN ORDINARY TO HIS MAJESTY.
SEPTEMBER, 1932.
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LONDON:
HARRISON AND SONS, LTD., PRINTERS IN ORDINARY TO HIS MAJESTY,
ST. MARTIN'S LANE.
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CONTENTS.
SERIES A. VOL. CXXXVIII.
No. A834-October 1, 1932. PAG*
The Modes of Vibration of Quartz Piezo-Electric Plates 'as Revealed by an Inter- ferometer. By The Late W. D. Dye, F.R.S. Communicated by Sir Joseph Petavel, F.R.S. (Plates 1-3) ....................1................... .l
Theory of Electric Charge. By Sir Arthur Eddington, F.R.S . . 17
The-Viscosity of a Fluid Containing Small Drops of Another Fluid. By G. I. Taylor, M
F.R.S... .. . 41
On the Theory of Errors and Least Squares. By H. Jeffreys, F.R. .. 48
Contributions to the Mathematical Theory of Epidemics. II.-The Problem of Endemicity. By W. 0. Kermack and A. G. McKendrick. Communicated by Sir Gil-bert Walker, F.R.S ................... I . 55
The Absorption Spectrum of Nitrous-Oxide and the Heat of Dissociation of Nitrogen. By A. K. Dutta. Communicated by M. N. Saha, F.R.S ............................ 84
The Mechanism of the Initiation and Propagation of Detonation in Solid Explosives. By W. Taylor and A. Weale. Communicated by F. G. Donnan, F.R.S 92
Mobility of Alkali Ions in Gases. By C. F. Powell and L. Brata. Communicated by A. P. Chattock, F.R.S .................. 117
The Distribution of Suspended Particles Under Gravity. By C. M. McDowell and F. L. Usher. Communicated by R. Whytlaw Gray, F.R.S. (Plate 4) . 133
Interferometric Measurements in the Spectrum of Krypton. By C. V. Jackson. Communicated by A. Fowler, F.R.S ................... I ................... .. .... . 147
Dipole Moments and Molecular Structure. Part III.-The Oxychlorides -of Sulphur. By J. W. Smith. Communicated by F. G. Donnan, F.R.S . ....... ......... 154
The Swelling of Charcoal. Part II.-Some Factors Controlling the Expansion Caused by Water, Benzene and Pyridine Vapours. By D. H. Bangharn, N. Fakhoury, and A. F. Mohamed. Commu nicated by D. L. Chapman, F.R.S. 162
Theory of Uncoupling and Formuie for the Stark Effect in H2. By J. K. L. MacDonald. Communicated by R. H. Fowler, F.R.S ............................... 183
The Polarity of Thunderclouds. By E. C. Halliday. Communicated by C. T. R., Wilson, F.R.S. (Plates 5-10) ................................ 206
Inelastic Electron Scattering in Gases.-I. By C. B. 0. Mohr and F. H. Nicoll. Communicated by Lord Rutherford, F.R.S ................................ 220
Further Experiments on Superconductivity with Alternating Currents of High Frequency. By J. C. McLennan, F.R.S., A. C. Burton, A. Pitt and J. 0. Wilhelm ..... - 245
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iv
No. A835-November 1, 1932. PAGE
Adsorption. A Study of Availability and Accessibility. By Sir William B. Hardy, F.R.S., and M. Nottage ................. . 259
On Plasticity and Creep in Solids. By H. Jeffreys, F.R.S .283
The Explosive Oxidation of Carbon Monoxide at Lower Pressures. By G. Hadman, H. W. Thompson and C. N. Hinshelwood, F.R.S ........................................ 297
The Lower Pressure Limit in the Chain Reaction between Hydrogen and Oxygen. By C. N. Hinshelwood, F.R.S., and E. A. Moelwyn-Hughes....4 ..... ..... 311
The y-Rays of Thorium B and of the Thorium C Bodies. By C. D. Ellis, F.R.S. (Plate 12) .318
The Theory of Wave Resistance. By T. H. Havelock, F.R.S. ............... 339
The Resistivity of Polycrystalline Wires in Relation to Plastic Deformation, and the Mechanism of Plastic Flow. By E. N. da C. Andrade and B. Chalmers. Communicated by L. N. G. Filon, F.R.S ....... ................................ 348
The Photochemistry of Phosphine. By H. W. Melville. Communicated by J. Kendall, F.R.S ........................................ .. .. .. 374
Bands due to the Hydrogen Molecule: The 2p 3S1 Bands of Hydrogen. By I. Sandeman. Communicated by H. S. Allen, F.R.S ......................... I.......... 395
The Structure of Surface Films. Part XVI.-Surface Potential Measurements on Fatty Acids on Dilute Hydrochloric Acid. By N. K. Adam and J. B. Harding. Communicated by F. (G. Donnan, F.R.S ............................... 411
On the Surface Potentials of Unimolecular Films. Part IV.-The Effect of the Underlying Solution and Transition Phenomena in the Film. By J. H. Schulman and A. H. Hughes. Communicated by E. K. Rideal, F.R.S. 430
The Behaviour of Electrolytes in Mixed Solvents. Part IV.-The Free Energy of Zinc Chloride in Water-Alcohol Solutions. By R. T. Hamilton and J. A. V. Butler. Communicated by J. Kendall, F.R.S. 450
The Passage of Neutrons through Matter. By H. S. W. Massey. Communicated by R. H. Fowler, F.R.S. 460
The Large Angle Scattering of Electrons in Gases.-II. By C. B. 0. Mohr and F. H. Nicoll. Communicated by Lord Rutherford, F.R.S. 469
No. A836.-December 1, 1932.
The Physical Principles of the Quantum Theory. By G. Temple. Communicated by S. Chapman, F.R.S.479 ............ ......
A Unique Electrode Potential Characteristic of a Metal, and a Theory for the Mechan- ism of Electrode Potential. By A. L. McAulay and E. C. R. Spooner. Coni- municated by T. M. Lowry, F.R.S .494
Triboelectricity and Friction. VIL-Quantitative Results for Metals and other Solid Elements, with Silica. By P. E. Shaw and E. W. L. Leavey. Communi- oated by Sir William Hardy, F.R.S .......................... 502
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V
PAGE An X-Ray Investigation of Normal Paraffins near their Melting Point. By A. Miller.
Communicated by Sir William Bragg, F.R.S. (Plate 13) ........... .................... 514
Investigations in the Infra-Red Region of the Spectrum. Part VII.-An Infra-Red Grating Spectrometer as a Double Monochromator. By A. B. D. Cassie and C. R. Bailey. Communicated by F. G.- Donnan, F.R.S .531
The Resonance Spectrum of Hydrogen. By K. R. Rao and J. S. Badami. Com- municated by A. Fowler, F.R.S. (Plate 14) .540
The Calculation of the Terms of the Optical Spectrum of an Atom with one Series Electron. By J. McDougall. Communicated by R. H. Fowler, F.R.S ... 550
Rotational Uncoupling, with application to the Singlet Hydrogen Bands. By P. M. Davidson. Communicated by 0. W. Richardson, F.R.S. .. . 580
The Theory of Metals. I. By A. H. Wilson. Communicated by R. H. Fowler, F.R.S ... . 594
The Torsion and Flexure of Shafting with Keyways or Cracks. By W. M. Shepherd. Communicated by L. N. G. Filon, F.R.S. ... 607
'The Oxidation of Sulphur at Low Pressures. By A. Ritchie and E. B. Ludlam. Communicated by J. Kendall, F.R.S. ............................... 635
The Internal Conversion Coefficient for Radium C. By H. R. Hulme. Communi- cated by R. H. Fowler, F.R.S .643
A Theory of the Internal Conversion of y-Rays. By H. M. Taylor and N. F. Mott. Communicated by R. H. Fowler, F.R.S ............................... . . . 665
The Rate of Burning of Colloidal Propellants. By F. R. W. Hunt and G. L. Hinds. Communicated by H. C. Plummer, F.R.S. 696
The Relationship between Viscosity, Elasticity and Plastic Strength of Soft Materials as Illustrated by some Mechanical Properties of Flour Doughs. I. By R. K. Schofield and G. W. Scott Blair. Communicated by Sir John Russell, F.R.S. (Plate 15) ....... 7i07
Index .719
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