Jennings, Royalston F.
Gas and a.c. arc welding and cutting / Royalston F. Jennings. - Illinois : McKnight & McKnight Publishers, 1946. - 92 pages : illustration ; 26 centimeter.
Includes index.
Welding and cutting.
FOR 671 J44g 1946
Gas and a.c. arc welding and cutting / Royalston F. Jennings. - Illinois : McKnight & McKnight Publishers, 1946. - 92 pages : illustration ; 26 centimeter.
Includes index.
Welding and cutting.
FOR 671 J44g 1946