CONTENTS. 



Dedication 



Peeface .... 



LiEE OF Samuel Haetlib 

 Bibliographical Catalogue of his Publica 



TICKS 



Two Lettees feom Ceesst Dtmock 

 blogeaphical notice 

 Eepeint of " Ak Inveis^tion of Engines 

 OF Motion, etc." 



Ill 



V 



1—50 



51—88 



89 



91—100 



101—118 



