Inspection method used in manufacture of U-69 and U-70 pressure vessels
Subtitle: [report
By: of the Committee on inspection method in manufacture of U-69 and U-70 pressure vessels]
Publisher: American welding society
Published: 1938
Place of publication: New York]
Language: eng
Subjects: Pressure vessels; Welding
Notes: Caption title.

Reprinted from the Welding journal, v. 17, no. 4, April 1938, p. 35-36.