Code of minimum requirements for instruction of welding operators...
By: Prepared by Committee on Minimum Requirements of Instructions for Welding Operators in Trade Schools...
Publisher: American Welding Society
Published: 1942
Place of publication: New York, N.Y
Language: eng
Subjects: Welding
Table of contents: title: pt.A. Arc welding of steel 3/16 to 3/4 in. thick (tentative)