Lindgren, Michael. <br/><br/>
Glory and failure:  the difference engines of Johann Müller, Charles Babbage and Georg and Edvard Scheutz/ 
Michael Lindgren ; translation by Craig G. McKay. 
 - [2nd ed.] 
 - Cambridge, Mass.:  MIT Press,  c1990. 
 - 414 p.:  ill.;  26 cm. 
 - MIT Press series in the history of computing. .
<br/><br/>Includes bibliographical references (p. [392-409] and index. 
<br/><br/><label>ISBN: </label>0262121468 
<br/><br/><label>LCCN: </label>90005944 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculators---History.
<br/><br/><label>Dewey Class. No.: </label>510.9  / L745g