Progress report of the National screw thread commission (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.

The first revision is issued as Miscellaneous publications no. 61 (U.S. Bureau of standards) with title: Report of the National screw thread commission ...