Progress report of the National screw thread commission
By: (authorized by Congress, July 18, 1918, H.R. 10852) as approved June 19, 1920. January 4, 1921 ..
Series: Bureau of standards. Miscellaneous publications -- no. 42; Miscellaneous publications (United States. Bureau of Standards) -- no. 42
Publisher: Govt. Print. Off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 109
Subjects: Screw-threads; Screw-threads, Standard
Notes: At head of title: Department of commerce. Bureau of Standards. S.W. Stratton, director