United States government master specification for cement, masonry.
Contributors: United States. Bureau of Standards.
Series: Circular of the Bureau of Standards -- no. 321; Federal Specifications Board specification -- no. 443
Publisher: Government Printing Office
Published: 1927
Place of publication: Washington
Language: eng
Subjects: Cement.
Other titles: Specification for masonry cement
Notes: "Issued February 1, 1927."

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