A Century of 

 Scientific Thought 



Other Essays 



By 

 SIR BERTRAM C. A. WINDLE 



M.A., M.D., Sc.D., LL.D., F.R.S., F.S.A., 



M.R.I.A., K.S.G. 

 President of University College, Cork. 



BURNS & GATES LTD. 



28 ORCHARD STREET 



LONDON, W. 



1915 



