Salil S.B <br/><br/>
Technological Change    The United State and Britain in the Nineteenth century.    

 - London  UN USA           1970 
 - 198p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>XogF.30m73.N, L0