Land magnetic observations, 1914-1920 /
Carnegie Institution of Washington.Department of Terrestrial Magnetism.
Bauer, L. A.(Louis Agricola),1865-1932.
Fleming, J. A.(John Adam),1877-1956.
Fisk, Harlan Wilbur,1869-1932.
Barnett, Samuel Jackson,1873-
Peter, W. J.(William John),1863-1942.
Washington, D.C. :
1921.
Special reports: Construction of non-magnetic experiment building of the Department of Terrestrial Magnetism / by J.A. Fleming -- Dip-needle errors aising from minute pivot-defects / by H.W. Fisk -- A sine galvanometer for determining in absolute measure the horizontal intensity of the earth's magnetic field / by S.J. Barnett -- Results of comparisons of magnetic standards, 1915-1921 / by J.A. Fleming.
Geomagnetism
Atmospheric electricity.