Babbage, Charles,  1791-1871, <br/><br/>
Charles babbage on the principles and development of the calculator :  And other seminal writings / 
By Charles babbage and others ; ed. and with an introd. by philip Morrison and emly Morrison 
 - 400 páginas 
<br/><br/><label>ISBN: </label>0486246914 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculadoras
<br/><br/><label>LC Class. No.: </label>QA20.C34  / B33