Usher, Abbott Payson,  1883-1965 <br/><br/>
A history of mechanical inventions / 
Abbott Payson Usher 
 - Rev. ed. 
 - London :  Harvard University Press,  1954 
 - xi, 450 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 9.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions--History<br/>Technology--History
<br/><br/><label>Dewey Class. No.: </label>608