Terrestrial Magnetism. Distribution of Magnetic Declination in the United States for January 1, 1905, With Isogonic Chart And Secular Change Tables Read Online

Book Page: Terrestrial Magnetism. Distribution of Magnetic Declination in the United States for January 1, 1905, With Isogonic Chart And Secular Change Tables Read Online Free Book by United States. Coast And Geodetic Survey. [from Old Catalog]

Authors: United States. Coast And Geodetic Survey. [from Old Catalog]

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