Hart, Richard N. <br/><br/>
Welding;  theory, practice, apparatus and tests, electric, thermit and hot-flame processes /  
by Richard N. Hart, B.S. 
 - 2d ed., rev., enl. and reset. 
 - New York :   McGraw-Hill book company, inc.,  1914. 
 - xiv, 210 p.  illus.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOLDADURA
<br/><br/><label>Universal Decimal Class. No.: </label>621.79