182с

1950гELECTRIC 4 RESISTANCE WELDING

A practical guide to spot, seam, projection and butt welding methods

By

H. E. J. BUTLER

A.M.I.P.E., M.A.S.E.E.

WITH 91 ILLUSTRATIONS

. LONDON

GEORGE NEWNES LIMITED

TOWER HOUSE, SOUTHAMPTON STREET STRAND, W.C.2.