XIV CONTENTS. 



Page 



13. On a Ten-candle Lamp for use in Photometry. By A. Veenon^ Hae- 



couRT, M.A., F.R.S 682 



14. On the Cause of the Spurious Double Lines sometimes seen with Spectro- 

 scopes, and of the Slender Appendages which accompany them. By 



G. Johnstone Sionet, M.A., D.Sc, F.R.S 583 



15. On the Luminosity observed when a Vacuum Bulb is broken. By John 

 BXTEKE 585 



16. On the Correction of Optical Instruments for Individual Eyes. By Tempest 

 Andeeson, M.D., B.Sc : 586 



17. How the Misuse of the Word ' Force,' in Attractions, Electricity, and 



Magnetism, may be avoided without much departure from existing practice. 

 By Dr. G. Johnstone Stonet, F.R.S 586 



18. On a Nomenclature for very much Facilitating the Use of Systematic 



Measures. By G. Johnstone Sionet, M.A., D.Sc, F.R.S 587 



Depaetment III. 



1. Report of the Electrical Standards Committee 592 



2. Determination of the International Ohm in Absolute Measure. By Pro- 

 fessor ViEiAMU Jones, F.R.S 592 



3. Comparison with the B.A. Units of some Coils of Low Resistance. By 



R. T. Glazebeook, F.R.S 592 



4. Comparison of the Standards of the Board of Trade with the B.A. Unit. 



By J. Rennie 592 



5. Comparison of some Standards belonging to the Indian Government. By 



E. 0. Walkee 592 



6. On the Specific Resistances of Copper and Silver. By Rev. T. C. FiTZ- 



PATEICK 592 



7. *0n Standards of Low Electrical Resistance. By Professor Vieiamt: 

 Jones, F.R.S 592 



8. *0n the Specific Conductivity of Copper. By J. TEiCHMiJLLER 592 



WEDNESDA T, A UQ VST 15. 



1. On the Displacements of the Rotational Axis of the Earth. By Professor 

 W, Foestee 593 



2. A Lecture-room Experiment to illustrate Babinet's Principle. By Pro- 

 fessor A. CoENU, F.R.S 593 



3. A New Explanation of the Wave-movements of a Stretched String. By 

 Wm. Barlow 593 



4. On Lunar Curves of Mean Temperature at Greenwich and the Heat of 



the Moon. By J. Paek Haeeison 593 



Section B.— CHEMICAL SCIENCE. 



THURSDAY, AUGUST 9. 



Address by Professor Haeold B. Dixon, M.A., F.R.S., President of the 



Section 594 



1. Report of the Committee on an International Standard for the Analysis of 

 Iron and Steel 605 



