THE RECENT /^^i 

 DEVELOPMENT OF/'^^ 

 PHYSICAL SCIENCE 



BY 



WILLIAM CECIL DAMPIER VVHETHAM 



M.A., F.R.S. 



FELLOW AND SOMETLME SENIOR TUTOR OF TRINITY 

 COLLEGE, CAMBRIDGE 



& 



i 



PHILx\DELPHIA 



P. BLAKISTON'S SON & CO. 



IOI2 WALNUT STREET 



Printed in England 



