WRITINGS, SELECTED.  1791-1871. <br/><br/>
Charles Babbage and his calculating engines :  selected writings / 
by Charles Babbage and others. Edited with an introd. by Philip Morrison and Emily Morrison 
 - New York :  Dover Publications,  1961 
 - 400 p :  illus ;  21 cm 
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculators<br/>Scientists--Correspondence
<br/><br/><label>Dewey Class. No.: </label>016.00409