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"Meditationis est perscrutari occulta; contemplationis est admirari perspicua.... Admiratio generat quæstionem, quæstio investigationem, investigatio inventionem."-Hugo de S. Victore.
Mr. E. H. Griffiths on the Influence of Temperature on the
Specific Heat of Aniline. (Plates I. & II.)
Mr. Edwin F. Northrup on a Method for Comparing the
Values of the Specific Inductive Capacity of a Substance
under Slowly and Rapidly Changing Fields: Results for
Paraffin and Glass. (Plate III.)
Mr. J. Brill on "Densities in the Earth's Crust
Mr. J. Larmor on the Significance of Wiener's Localization
of the Photographic Action of Stationary Light-Waves
Mr. C. T. Blanshard on the Rôle of Atomic Heat in the
Periodic Series of the Elements
47
78
93
97
..
106
Mr. John Burke on a Suggestion by Professor J. J. Thomson
in Connexion with the Luminescence of Glass due to Kathode
Rays
115
Prof. Arthur Smithells on the Luminosity of Gases. (Plate IV.) 122
Mr. J. Hopkinson on the Specific Inductive Capacities of
Water, Alcohol, &c.
134
Prof. Alexander Macfarlane on Colonel Hime's 'Outlines of
Quaternions
135
Notices respecting New Books :-
Prof. F. Kohlrausch's Introduction to Physical Measure-
ments
137
Watts's Dictionary of Chemistry, Vol. IV.
139
Proceedings of the Geological Society:-
Prof. A. H. Green on some recent Sections in the Malvern
Hills
140
Mr. Philip Lake on the Denbighshire Series of South
Denbighshire
... 141
Rev. J. F. Blake on some Points in the Geology of the
Harlech Area
On the Velocity of Sound in Gases, by Tito Martini
141
142
Page
Influence of Magnetic Fields on the Electrical Conductivity of
Bismuth, by James B. Henderson
143
On the Influence of Temperature on the Specific Heat of
Aniline, by E. H. Griffiths
On the Dielectric Power of Ice, by M. A. Perot
144
On the Refraction and Dispersion of Electrical Rays, by E.
Garbasso and E. Aschkinass
NUMBER CCXXXVII.—FEBRUARY.
Dr. S. Tolver Preston's Comparative Review of some Dyna-
mical Theories of Gravitation
145
Prof. W. E. Ayrton and Mr. H. C. Haycraft on a Students'
Simple Apparatus for Determining the Mechanical Equiva-
lent of Heat
160
Mr. F. Womack on a Modification of the Ballistic-Galvano-
meter Method of Determining the Electromagnetic Capacity
of a Condenser .
172
Prof. A. Schuster's Electrical Notes
175
Prof. H. Hennessy on Ronayne's Cubes
183
Prof. Dr. Charles Olszewski on the Liquefaction of Gases .. 188
Prof. Silvanus P. Thompson and Mr. Miles Walker on Mirrors
of Magnetism
213
Prof. W. Ostwald's Die wissenschaftlichen Grundlagen
der Analytischen Chemie .
225
On the Change of Length in Soft Iron Wire placed in a
Uniform Magnetic Field, by B. Rosing
226
NUMBER CCXXXVIII.-MARCH.
Mr. Albert Griffiths on some Experiments with Alternating
Currents
229
Mr. E. Taylor Jones on Electromagnetic Stress
Mr. Alfred W. Porter on the Influence of the Dimensions of
a Body on the Thermal Emission from its Surface
Mr. N. Eumorfopoulos on the Determination of Thermal
Conductivity and Emissivity
254
268
280
Prof. R. Threlfall on the Clark Cell when Producing a Current. 295
Mr. Charles E. St. John on the Value of the Magnetic Perme-
ability for Rapid Electrical Oscillations
297
Prof. J. Dewar on the Liquefaction of Gases
298
Mr. W. Crookes's Select Methods in Chemical Analysis
(chiefly Inorganic)
305
Mr. Claudius Kennedy's A Few Chapters in Astronomy. 307
An Experiment with Solid Carbonic Acid, by Prof. K. Prytz. 308
NUMBER CCXXXIX.-APRIL.
Mr. George Udny Yule on the Passage of an Oscillator Wave-
train through a Plate of Conducting Dielectric....
Prof. A. W. Rücker and Mr. E. Edser on the Objective Reality
of Combination Tones
309
341
Mr. H. N. Allen on Energy Movements in the Medium.
separating Electrified or Gravitating Particles
357
Mr. George Udny Yule on a Simple Form of Harmonic
Analyser
367
Mr. S. Skinner on the Clark Cell when producing a Current. 375
Prof. A. Sadowsky on some Experiments with Alternating
Dr. Geikie's The Great Ice Age and its Relation to the
Antiquity of Man...
377
379
Silvering Glass in the Cold, by MM. Auguste and Louis
Lumière...
387
On the Glow-Discharge, by A. Herz
Prize-question proposed by the Schnyder von Wartensee's
Foundation for Arts and Sciences, Zürich.
388
NUMBER CCXL.-MAY.
Prof. W. E. Ayrton and Mr. E. A. Medley on Tests of Glow-
Lamps, and Description of the Measuring Instruments
employed
.. 389
Prof. D. J. Korteweg and Dr. G. de Vries on the Change of
Form of Long Waves advancing in a Rectangular Canal,
and on a New Type of Long Stationary Waves..
Mr. S. Skinner on the Tin-Chromic Chloride Cell..
Dr. Charles V. Burton: Some Acoustical Experiments
Mr. R. M. Deeley on Glacier-Grains...
422
444
447
453
Dr. Ladislas Natanson on the Kinetic Interpretation of the
Dissipation Function
455
Mr. John Evershed: Experiments on the Radiation of Heated
Gases. (Plate VII.)
460
On the Rotational Coefficients of Thermal Conductivity in
Crystals, by M. Charles Soret
476
NUMBER CCXLI.-JUNE.
Prof. A. Schuster on the Scale-Value of the late Dr. Joule's
Thermometers. (Plates V. & VI.). . . .
477
... 510
Dr. Ladislas Natanson on the Kinetic Energy of the Motion
of Heat and the corresponding Dissipation Function .... 501
Mr. Spencer Umfreville Pickering on the Heat of Combination
of Substances in the Liquid and Solid Condition
Dr. F. Richarz on Helmholtz's Electrochemical Theory, and
some Conclusions deduced from the same
Mr. G. H.. Bryan on a Simple Graphic Illustration of the
Determinantal Relation of Dynamics.
529
531
Prof. Silvanus P. Thompson on a Neglected Experiment of
Ampère....
534
Proceedings of the Geological Society :-
Mr. John H. Cooke on the Pleistocene Beds of the
Maltese Islands
542
Rev. R. Baron's Geological Notes of a Journey in Mada-
gascar
Mr. R. Bullen Newton on a Collection of Fossils from
Madagascar obtained by the Rev. R. Baron
Prof. T. G. Bonney's Supplementary Note on the Nar-
borough district (Leicestershire) .
543
Mr. J. E. Marr on the Tarns of Lakeland
544
Mr. J. Bridges Lee's Description of a New Instrument
for Surveying by the Aid of Photography, with some
Observations upon the Applicability of the Instrument
to Geological Purposes...
Mr. David Draper on the Marble Beds of Natal
Mr. Thomas Leighton on the Lower Greensand above
the Atherfield Clay of East Surrey...
545
546
Mr. W. S. Gresley on the Eastern Limits of the York-
shire and Derbyshire or Midland Coalfield.....
Mr. W. S. Gresley on some Phases of the Structure and
Peculiarities of the Iron Ores of the Lake Superior
Region ..
547
On Electromagnetic Tractive Force, by M. Weber
On the Influence of Magnetization on the Constants of Elas-
ticity in Iron, by A. Bock
548
On the Magnetization of Iron by very small Forces, by
Werner Schmidt
Index
549