Jennings, Royalston F. <br/><br/>
Gas and A.C. arc welding and cutting / 
Royalston F. Jennings. 
 - Bloomington, Ill. :  McKnight & McKnight Publishing,  1956. 
 - 118 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Welding.