United States government master specification for stamp-pad ink.
Series: Circular of the Bureau of Standards -- no. 185; Federal Specifications Board specification -- no. 166
Publisher: Government Printing Office
Published: 1924
Place of publication: Washington
Language: eng
Subjects: Ink.
Other titles: Specification for stamp-pad ink
Notes: "Issued August 2, 1924."

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