CONTENTS 



PACK 



INTRODUCTION . . . . . viii 



The Right Hon. LORD MOULTON, K.C.B., 

 F.R.S. 



THE NATIONAL IMPORTANCE OF CHEMISTRY . I 



W. J. POPE, F.R.S. , Professor of Chemistry in 

 the University of Cambridge. 



PHYSICAL RESEARCH AND THE WAY OF ITS 



APPLICATION 24 



W. H. BRAGG, F.R.S., Quain Professor of 

 Physics in the University of London. 



THE MODERN SCIENCE OF METALS, PURE AND 



APPLIED 49 



W. ROSENHAIN, F.R.S., Superintendent of the 

 Department of Metallurgy and Metallurgical 

 Chemistry in the National Physical Laboratory. 



MATHEMATICS IN RELATION TO PURE AND 



APPLIED SCIENCE 4 78 



E. W. HOBSON, F.R.S., Sadleirian Professor of 

 Pure Mathematics in the University of Cam- 

 bridge. 



THE SCIENCE OF BOTANY AND THE ART OF 



INTENSIVE CULTIVATION . . . 106 



F. W. KEEBLE, F.R.S., Director of the Royal 

 Horticultural Gardens, Wisley. 



