Johnson, Carl G. <br/><br/>
Forging practice : A Practical treatise on hand forging of wrought iron, machine steel, and tool steel; drop forging; and heat treatment of steel, including annealing, hardening 

 - 1st 
 - London  Technical Press  1947 
 - vii,136p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forging
<br/><br/><label>Dewey Class. No.: </label>672  / J661