Abstract
DURING the last twenty years there has been considerable activity amongst observers on land and at sea in adding to our knowledge of the magnetism of the earth, and it is certainly desirable, if not necessary, that those busy workers, who are only acquainted with the practical use of the instruments employed, should know something of the theory of the magnetic measurements upon which they may be engaged.
Theory of Magnetic Measurements.
By Francis E. Nipher, A.M., Professor of Physics in Washington University, President of the St. Louis Academy of Science. (New York: D. Van Nostrand; London: Trübner and Co., 1886.)
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Theory of Magnetic Measurements . Nature 35, 295 (1887). https://doi.org/10.1038/035295b0
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DOI: https://doi.org/10.1038/035295b0