PROCEEDINGS FOR 1920 XXIII 



The following papers were read in full or by abstract at the 

 sessions of the Sections: 



List of Papers Read in Section III 



1.— Presidential Address. Dr. A. S. Eve, F.R.S.C. Relativity. 

 2. — ^On the Calculation of Thermal Molecular Pressure in Gases. 

 By Louis V. King, D.Sc, F.R.S.C. 



3. — On an Elementary Proof of Rayleigh's Law of Molecular 

 Scattering of Light. By Louis V. King, D.Sc, F.R.S.C. 



4. — Note on the Distribution of Velocities in the Neighbourhood 

 of a two-dimentional Air Jet flowing into a Stagnant Atmosphere. 

 By Louis V. King, D.Sc, F.R.S.C. 



5. — The Adiabatic Condensation of the Ether Vapor. By 

 Professor A. L. Clark, Ph.D., F.R.S.C. 



6. — The Capacity and Resistance of the Capillary Electrometer. 

 By Professor A. L. Clark, Ph.D., F.R.S.C. 



7. — The Scattering of Light by dust-free Liquids. By Frank 

 B. Kenrick, Ph.D., F.R.S.C, and W. H. Martin. 



8.— The Velocity of Sound in Air. By J. A. Gray, O.B.E., 

 D.Sc. Presented by Dr. A. S. Eve, F.R.S.C. 



9. — The Application of Measurements of the Velocity of Sound 

 to Meteorology. By J. A. Gray, O.B.E., D.Sc Presented by Dr. 

 A. S. Eve, F.R.S.C. 



10. — The Scattering of Roentgen and Gamma Rays. By J. A. 

 Gray, O.B.E., D.Sc. Presented by Dr. A. S. Eve, F.R.S.C. 



IL — 'The Absorption of Gamma Rays by Substances of High 

 Atomic Weight. By J. A. Gray, O.B.E., D.Sc. Presented by Dr. 

 A. S. Eve, F.R.S.C. 



12. — The Range of Beta Rays scattered by Lead. By J. A. Gray, 

 O.B.E., D.Sc, and A. v! Douglas. Presented by Dr. A. S. Eve, 

 F.R.S.C. 



13 — A Review of Some Physical Problems which arise in Study- 

 ing the Influence of Atmospheric Conditions upon Health. By A. 

 Norman Shaw, D.Sc. Presented by Dr. A. S. Eve, F.R.S.C. 



14. — Anemometric Tests with the Kata-thermometer. By L. 

 H. Nichol, B.A. Presented by Dr. A. S. Eve, F.R.S.C. 



15. — The Graphical Analysis of Estuary Tidal Records. By 

 Miss Violet Henry, M.Sc Presented by Dr. A. S. Eve, F.R.S.C. 



16. — An Electrical Thermo-regulator. By Robert Clark, Esq, 

 Presented by Dr. A. S. Eve, F.R.S.C. 



17. — A Peculiar Radio-active Mineral. By Robert Clark, Esq. 

 Presented by Dr. A. S. Eve, F.R.S.C. 



Proc. Sig. 3 



