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Results of Magnetic Observations Made by the Coast and Geodetic Survey Between July 1, 1902, and June 30, 1903
Percuma
United States Magnetic Declination Tables and Isogonic Charts for 1902: And, Principal Facts Relating to the Earth's Magnetism
Percuma
Land Magnetic Observations, 1905-1910
Percuma
Report on the Survey of the Boundary-line Between Allegany and Garrett Counties [Maryland]: In Accordance with the Act Passed at the Session of the General Assembly of 1898 ...
Percuma
The Broader Aspects of Research in Terrestrial Magnetism
Percuma
Some of the Chief Problems in Terrestrial Magnetism and Electricity
Percuma
Beiträge zur Kenntniss des Wesens der Säcular-Variation des Erdmagnetismus
Percuma
United States Magnetic Declination Tables and Isogonic Charts for 1902: And, Principal Facts Relating to the Earth's Magnetism
Percuma
The Earth's Magnestism
Percuma
Land Magnetic Observations 1911-1913: And Reports on Special Researches
Percuma
United States Magnetic Tables and Magnetic Charts for 1905
Percuma
Land Magnetic Observations, 1914-1920
Percuma
Ocean Magnetic Observations, 1905-1916: And Reports on Special Researches, Issue 175, Volume 3
Percuma