Singer Charles Ed. <br/><br/>
History of technology 

 -  1954 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>66040 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metal technology
<br/><br/><label>Dewey Class. No.: </label>Fv1:N5, J4.4                 CL