Methods & Results: Secular Variation of the Magnetic Declination in the United States & at Some Foreign Stations (Paperback) (ISBN-13: 9781146661942)

"Methods & Results: Secular Variation of the Magnetic Declination in the United States & at Some Foreign Stations" presents a detailed historical analysis of magnetic declination measurements. This work offers valuable insights into the study of geomagnetism and its changes over time. Compiled in 1887, it provides a snapshot of scientific methodology and data collection from the late 19th century, making it a useful resource for historians of science and geophysics. The book includes observations and measurements taken across the United States and at selected international locations, documenting the secular variation of magnetic declination. This meticulous record serves as a critical reference point for understanding long-term trends in the Earth's magnetic field.

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