Land magnetic and electric observation, 1918-1926 : Magnetic results, 1921-1926 /
Carnegie Institution of Washington.Department of Terrestrial Magnetism.
Fisk, Harlan Wilbur,1869-1932.
Sverdrup, H. U.(Harald Ulrik),1888-1957.
Washington, D.C. : Carnegie Institution of Washington,
1927.
Includes bibliographical references.
Magnetic results, 1921-1926 -- Magnetic, atmospheric-electric, and auroral results, Maud expedition, 1918-1925.
Maud Expedition, 1918-1925.
Geomagnetism
Atmospheric electricity.
Auroras.