Sundials.
By: <Issued March 27, 1833>
Contributors: United States. National Bureau of Standards.
Series: United States. Bureau of Standards. Circular,; no. 402
Publisher: U.S. Govt. Print. Off.
Published: 1933
Place of publication: Washington
Language: eng
Subjects: Sundials.
Notes: Bibliography: p. 6.
At head of title: U.S. Department of Commerce. Daniel C. Roper, Secretary. Bureau of Standards. Lyman J. Briggs, Acting, Director ...
"Prepared by R.E. Gould, Chief, Time section."--p. 1.