Directions for magnetic measurements
By: by Daniel L. Hazard.
Contributors: Hazard, Daniel L. b. 1865.
Edition: 3d ed. (1930) - corrected 1957.
Series: Serial no.166; Serial (U.S. Coast and Geodetic Survey) -- 166.
Publisher: U.S. Govt. Print. Off.
Published: 1957
Place of publication: Washington
Language: eng
Number of pages: 129
Subjects: Geomagnetism.