The testing of paper.
Subtitle: February 12, 1921.
Series: Circular of the National Bureau of Standards,; no. 107
Publisher: Govt. Print. Off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 37
Subjects: Paper -- Testing
Notes: At head of title: Dept. of Commerce.
"Prepared by F. A. Curtis."--p. 4.