Babbage, Charles <br/><br/>
Passages from the life of a philosopher 
Charles Babbage 
 - London  Longman  1969 (1964) 
 - [vii]., viii-xii., 496p. 
<br/><br/> includes bibliographical references 
<br/><br/><label>LC Class. No.: </label>QA 29.B2