CONTENTS. Xlll 



Page 



10. On the Coefficient of Self-Iuduction in Telegraph Wires. By \V. II. 

 Preece, F.R.S G12 



11. On the General Theory of Dynamo Machines. By Edward Hopkinson, 

 D.Se 612 



12. On the Production of a Constant Current with Varying Electromotive 

 Force from a Dynamo. By A. P. Trotter, B. A GIG 



13. Description of an Induction Coil. By George Higgs GIG 



WEDNESDAY, SEPTEMBER 7. 



1. Third Report of the Committee on Standards of Light GI7 



2. On a Standard Lamp. By A. Vernon Harcourt, M.A., F.R.S G17 



3. Second Report of the Committee for inviting designs for a good Diflferential 



Gravity Meter 618 



4. Report of the Committee for considering the desirability of combined action 



for the purpose of Translation of Foreign Memoirs 618 



5. Contributions to Marine Meteorologv from the Scottish Marine Station. 



By IItjgh Robert Mill, D.Sc, F.R.S.E., F.C.S G18 



■6. The Direction of the Upper Currents over the Equator in connection with 

 the Krakatoa Smoke-stream. By Professor E. Douglas Archibald ... 619 



7. On a Comparison-magnetometer. By W. W. IIaldane Gee, B.Sc 020 



8. On Expansion with Rise of Temperature in AVires under Elongating Stress. 



By J. T. BoTTOMLET, M.A., F.R.S.E., F.C.S ! G20 



9. On the Electrolysis of a Solution of Ammonic Sulphate. By Professor 

 McLeod, F.R.S G21 



10. Compensation of Electrical Measuring Instruments for Temperature-Errors. 



By J. Savinburne 621 



11. A Musical Slide Rule. By J. Swinburne 621 



12. On a certain Method in the Theory of Functional Equations. By Professor 



Ernst Schroder 621 



13. On the Nomenclature of Elementary Dynamics. By JohnWalmslet,B.A. 022 



14. Exhibition and Description of Henry Draper Memorial Photographs of 

 Stella Spectra. By Professor E. C. Pickering 022 



Section B.— CHEMICAL SCIENCE, 

 THUliSDAT, SEPTEMBER 1. 



1. Report of the Committee for preparing a new series of Wave-length Tables 



of the Spectra of the Elements G24 



2. Report of the Committee for investigating the Influence of Silicon on the 

 Properties of Steel 024 



3. Third Report of the Committee for investigating certain Physical Constants 



of Solution, especially the Expansion of Saline Solutions 624 



4. Report of the Committee for investigating the Nature of Solution 024 



5. Report of the Committee on the Bibliography of Solution G24 



Address by Edward Schunck, Ph.D., F.R.S., F.C.S., President of the Section 624 



6. Preliminary Notice of a Re-determination of the Atomic WeiHit of Gold 

 with some remarks on the present State of our Knowledfe as to the 

 Determination of Atomic Weights in general. By Professor J. W. 

 Mallet, F.R.S ' \ 635 



