| | Book | Requires cookie* | | 1 | Title: | Abstract of a discussion of the influence of the moon on the declination of the magnetic needle: from the observations at the Girard College, Philadelphia between the years 1840 and 1845
| | | | Uniform Title: | American journal of science and arts.
| | | | Creator: | Bache, A. D. (Alexander Dallas), 1806-1867 | | | | | Girard College Magnetic and Meteorological Observatory. | | | | Publication: | S. Converse, New Haven,1861] | | | | Notes: | Title from caption. "From the American journal of science and arts, vol XXXI, Jan., 1861." | | | | Call #: | QC849 B119 | | | | Extent: | 7 p., 1 folded plate : ill. ; 24 cm. | | | | Subjects: | Compass
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