Usher, Abbott Payson <br/><br/>
A History of Mechanical Inventions  

 - London :   Harvard University Press,   1954 
 - XI, 450 p.  : ill 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions Mechanical
<br/><br/><label>Dewey Class. No.: </label>608.7  / USH