Nickel.
By: March 21, 1921.
Series: Circular of the Bureau of Standards ;; no. 100
Publisher: Govt. Print. Off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 106
Subjects: Nickel
Notes: Bibliography: p. 94-106.
S.W. Stratton, director.
Most plates printed on both sides.