IN ENDEAVOURING TO INTRODUCE INTO 



THE UNIVERSITY OF CAMBRIDGE 

 A PHYSICAL SUBJECT, OF MATHEMATICAL CHARACTER, 



HITHERTO UNRECOGNIZED 

 IN ITS ACADEMICAL COURSE ; 

 I VENTURE TO INSCRIBE THIS WORK 

 TO MY HONOURED FRIEND 



SIR JOHN FREDERICK HERSCHEL, BARONET, K.IL, 



ONE OF A SMALL BAND 

 WHO BY THEIR PRIVATE EFFORTS 

 ESTABLISHED IN THE UNIVERSITY 



THE FORM OF MATHEMATICS 

 THEN AND NOW ACCEPTED IN THE SCIENTIFIC WORLD. 



G. B. AIRY. 



1870, November. 



