SCIENCE LECTURES 



AT 



SOUTH KENSINGTON. 



BY 



W. SPOTTISWOODE, F.R.S. 

 PROFESSOR FORBES. 

 H. W. CHISHOLM. 

 PROFESSOR T. F. PIGOT. 

 W. FROUDE, ESQ., LL.D., F.R.S. 

 DR. SIEMENS. 

 PROFESSOR BARRETT. 

 DR. BURDON-SANDERSON. 

 DR. LAUDER BRUNTON, F.R.S. 

 PROFESSOR MCLEOD. 

 PROFESSOR ROSCOE, F.R.S. 



IN TWO VOLUMES. 

 VOL. II. 



MACMILLAN AND CO. 



1879. 



The Right of Translation and Reproduction is Reserved. 



