Butler, H. E. J.
Electric resistance welding : a practical guide to spot, seam, projection and butt welding methods / H. E. J. Butler. - London : George Newnes, 1950. - 182 p. : ill. ; 22 cm.
Includes index.
50003560
GB50-155
Electric welding.
Ignitrons.
TK4660 / .B8
671 / BUE
Electric resistance welding : a practical guide to spot, seam, projection and butt welding methods / H. E. J. Butler. - London : George Newnes, 1950. - 182 p. : ill. ; 22 cm.
Includes index.
50003560
GB50-155
Electric welding.
Ignitrons.
TK4660 / .B8
671 / BUE