Magnetic testing
Series: U.S. National Bureau of Standards. Circular -- C456; Circular of the National Bureau of Standards -- C456
Publisher: U.S. Govt. Print. Off.
Published: 1946
Place of publication: Washington
Language: eng
Number of pages: 40
Subjects: Magnetic testing
Notes: At head of title: U.S. Dept. of Commerce. National Bureau of Standards

Supersedes Circular C415

Cover title

Bibliography: p. 39-40