The world of metallurgy
By: by John A. Mathews ...
Published: 1931
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 13
Subjects: Metallurgy
Notes: Caption title.

"Preprint - American institute of mining and metallurgical engineers."

"Delivered at Columbia university in January, 1931, before a group of college seniors and first year engineers."