﻿CONTENTS OF VOL. XXIX, 



(SIXTH SERIES). 



NUMBER CLXIX.— JANUARY 1915. 



Pago 

 Prof. E. Taylor Jones on the most Effective Adjustment of 



an Induction-coil. (Plate I.) 1 



Mr. C. V. Raman on Motion in a Periodic Eield of Eorce. 



(Plate II.) 15 



Messrs. W. J. Jones and J. R. Partington on the Ideal 



Re Inactivities of G-ases 28 



Messrs. W. J. Jones and J. R. Partington on a Theory of 



Supersaturation 35 



Dr. H. Stanley Allen on the Magnetic Field of an Atom in 



Relation to Theories of Spectral Series 40 



Prof. G-. A. Schott on the Motion of the Lorentz Electron . 49 

 Dr. I. J. Schwatt : Note on the separation of a Fraction into 



Partial Fractions 63 



Dr. I. J. Schwatt : Note on the Expansion of a Function . . Q5 

 Mr. R. V. Southwell on the Collapse of Tubes by External 



Pressure. — Ill 67 



Dr. A. D. Fokker : A Summary of Einstein and Grossmann's 



Theory of Gravitation 77 



Mr. A. E. Young on the Form of a Suspended Wire or Tape 



including the Effect of Stiffness 96 



Dr. F. A. Linderaann on the Theory of the Metallic 



State 127 



Dr. H. Stanley Allen on the Series Spectrum of Hydrogen 



and the Structure of the Atom 140 



Prof. A. W. Porter on the Variation of the Triple-Point of a 



Substance with Hydrostatic Pressure 143 



Mr. J. Rice on the Form of a Liquid Drop suspended in 



another Liquid, whose density is variable 14!) 



Dr. Emil Paulson on the Spectrum of Palladium 1,"U 



Mr. G. H. Livens on Lorentz's Theory of Long Wave 



Radiation 158 



Mr. G-. H. Livens on the Electron Theory of Metallic Con- 

 duction. — I 1 7"> 



Mr. F. Lloyd Hop wood on the Plastic Bending o\' Metals . . 184 

 Dr. S. A. Shorter on the Shape of small Drops of Liquid . . L90 



