Ocean magnetic and electric observations, 1915-1921 /
Carnegie Institution of Washington.Department of Terrestrial Magnetism.
Ault, James Percy,1881-1929.
Mauchly, Sebastian Jacob,1878-
Peters, W. J.(William John),1863-1942.
Bauer, L. A.(Louis Agricola),1865-1932.
Fleming, J. A.(John Adam),1877-1956.
Washington, D.C. : Carnegie Institution of Washington,
1926.
Magnetic results / J.P. Ault -- Atmospheric-electric results / J.P. Ault and S.J. Mauchly -- Special reports.
Geomagnetism
Atmospheric electricity.