THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. 511. (N.8.), lo. 9. APEIL, 1909. 



ON A PROPOSED ANALYTICAL MACHINE. 



PERCY E. LUDGATE. 



[A ufhors alone are responsible for all opinions expressed in their Communicaiions.~\ 



DUBLIN : 

 rUBLlSHED BY THE llOYAL DUBLIN SOCIETY, 



LEIKSTER HOUSE, JiUBLIN. 



WILLIAMS AND NORGATE, 

 H, HENRIETTA STKEET, COVENT GAEDEN, LONDON, W.C. 



1909. 



Price Hkcpcncc. 



