PT - JOURNAL ARTICLE AU - A. D. Bache TI - Abstract of 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 AID - 10.2475/ajs.s2-31.91.98 DP - 1861 Jan 01 TA - American Journal of Science PG - 98--103 VI - s2-31 IP - 91 4099 - http://www.ajsonline.org/content/s2-31/91/98.short 4100 - http://www.ajsonline.org/content/s2-31/91/98.full SO - Am J Sci1861 Jan 01; s2-31