Carnegie Institution of Washington. Dept. of Terrestrial Magnetism

Subjects

Carnegie (Ship), Marine biology, Geomagnetism--Australia--Watheroo--Observations, Geomagnetism--Peru--Huancayo--Observations, Atmosphere, Upper, Chemical oceanography, Cosmic rays, Geomagnetism, Magnetism, Terrestrial, Meteorology--Observations, Oceanography, Oceanography--Observations, Terrestrial Magnetism, Atmospheric electricity, Auroras, Auroras--Alaska--Observations, Geomagnetism--Observations, Ionosphere--Alaska--Observations, Ionosphere--Australia--Observations, Maud Expedition (1918-1925), Ocean bottom, Secular variation, Secular variations