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Page 



THE CAPACITY FOR HEAT OF METALS AT DIFFERENT TEMPERA- 

 TURES. By E. H. Griffiths, Sc.D., F.R.S., and Ezer Griffiths, B.Sc. (Abstract) 549 



ON FOURIER SERIES AND FUNCTIONS OF BOUNDED VARIATION. 



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ON A CONDITION THAT A TRIGONOMETRICAL SERIES SHOULD HAVE 



A CERTAIN FORM. By Prof. W. H. Young, Sc.D., F.R.S 569 



ON A METHOD OF MEASURING THE VISCOSITY OF THE VAPOURS 



OF VOLATILE LIQUIDS, WITH AN APPLICATION TO BROMINE. By A. O. Rankine, D.Sc. .. 575 



THE HALL EFFECT IN LIQUID ELECTROLYTES. Bv A. E. Oxley, M.Sc, 



B.A ' 588 



INDEX xxiii 



TITLE, CONTENTS, ETC ; 



