United States government master specification for clay, fire.
Contributors: United States. Bureau of Standards.
Edition: 2d ed.
Series: Circular of the Bureau of Standards -- no. 298; Federal Specifications Board specification -- no. 334a
Publisher: Government Printing Office
Published: 1926
Place of publication: Washington
Language: eng
Subjects: Fire-clay.
Other titles: Specification for fire clay
Notes: "Issued October 20, 1926."

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