| Book | Save | 1 | Title: | Comparison of the mean daily range of the magnetic declination: with the number of auroras observed each year, and the extent of the black spots on the surface of the sun
| | | Creator: | Loomis, Elias, 1811-1889 | | | Publication: | Tuttle, Morehouse & Taylor, printers, New Haven,1870. | | | Notes: | Cover-title. "From the American journal of science and arts, vol. L. Sept., 1870." | | | Call #: | QC836 L863 | | | Extent: | 19 p. pl., (map), tables, diagrs. 23 cm. | | | Subjects: | Geomagnetism | Auroras
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