Instructions for obtaining and tabulating records from recording instruments /
by C. F. Marvin.
- 3d ed.
- Washington : Govt. print. off., 1913.
- 31 p. : ill. 23 cm.
- [U.S.] Weather bureau. Instruments division. Circular A .
- United States. Weather Bureau. Circular ; A, Instrument division. .
At head of title: W. B. no. 509. U.S. Department of agriculture, Weather bureau.