Vol. s2-29, Issue 87, 1860May 01, 1860 EDT
Report of Assistant Charles A. Schott, on the Latest Results of the Discussion of the Secular Change of the Magnetic Declination, Accompanied by Tables Showing the Declination (Variation of the Needle) for Every Tenth Year From the Date of the Earliest Reliable Observations, for Twenty-Six Stations on the Atlantic, Gulf, and Pacific Coasts of the United States
Report of Assistant Charles A. Schott, on the Latest Results of the Discussion of the Secular Change of the Magnetic Declination, Accompanied by Tables Showing the Declination (Variation of the Needle) for Every Tenth Year From the Date of the Earliest Reliable Observations, for Twenty-Six Stations on the Atlantic, Gulf, and Pacific Coasts of the United States
American Journal of Science,
American Journal of Science. (1860). Report of assistant Charles A. Schott, on the latest results of the discussion of the secular change of the magnetic declination, accompanied by tables showing the declination (variation of the needle) for every tenth year from the date of the earliest reliable observations, for twenty-six stations on the Atlantic, Gulf, and Pacific coasts of the United States. American Journal of Science, s2-29(87), 335–345. https://doi.org/10.2475/ajs.s2-29.87.335