United States government master specification for screws, wood.
Edition: 2d ed.
Series: Circular of the Bureau of Standards -- no. 140; Federal Specifications Board specification -- no. 52a
Publisher: Government Printing Office
Published: 1927
Place of publication: Washington
Language: eng
Subjects: Screws -- Specifications.
Genres: Specifications.
Notes: "Issued October 8, 1927."

At head of title: Department of Commerce. Bureau of Standards.