Usher, Abbott Payson <br/><br/>
History of mechanical inventions   / 
by Abbott Payson Usher 
 - Revised Edition 
 - New York  Dover publication inc  1988 
 - 450 p.     22cm 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9780486255934 
<br/><br/><label>Source: </label>114965  Himanshu Book co.  42359  PB     LC 
<br/><br/><label>Subjects--Index Terms: </label>Invention & Patents Machinery Technology 
<br/><br/><label>Index Terms--Curriculum Objective: </label>--Physics-Science
<br/><br/><label>Dewey Class. No.: </label>608.7  / USH