United States government master specification for tile, hollow, clay, floor.
Contributors: United States. Bureau of Standards.
Series: Circular of the Bureau of Standards -- no. 344; Federal Specifications Board specification -- no. 506
Publisher: Government Printing Office
Published: 1927
Place of publication: Washington
Language: eng
Subjects: Hollow tiles.; Clay.
Other titles: Specification for clay hollow floor tile
Notes: "Issued August 10, 1927."

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