United States government master specification for coal-tar pitch for waterproofing and damp proofing.
Series: Circular of the Bureau of Standards -- no. 155; Federal Specifications Board specification -- no. 83
Publisher: Govt. Print. Off.
Published: 1924
Place of publication: [Washington
Language: eng
Number of pages: 11
Subjects: Pitch.; Coal-tar.; Roofing.; Waterproofing.
Other titles: Specification for coal-tar pitch
Notes: "April 8, 1924."

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