Directions for magnetic measurements
By: by Daniel L. Hazard.
Contributors: U.S. Coast and Geodetic Survey.
Edition: 2nd ed.
Series: Serial / Dept. of Commerce, Coast and Geodetic Survey -- no. 166; Serial (U.S. Coast and Geodetic Survey) -- no. 166.
Publisher: G.P.O.
Published: 1921
Place of publication: Washington, [D.C]
Language: eng
Number of pages: 130
Subjects: Geomagnetism -- Observers' manuals.; Geomagnetism -- United States -- Observers' manuals.; Geomagnetism -- Measurements.; Geomagnetism -- United States -- Measurements.; Geomagnetism -- Instruments.; Geomagnetism -- United States -- Instruments.
Genres: Observers' manuals.