geophysical methods

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Results of magnetical observations made at Eastport, Maine, between 1860 and 1864, for the United States Coast Survey
A. D. Bache

American Journal of Science September 1866, s2-42 (125) 141-151; DOI: https://doi.org/10.2475/ajs.s2-42.125.141
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Abstract of results of a magnetic survey of Pennsylvania and parts of adjacent states in 1840 and 1841, with some additional results of 1843 and 1862, and a map
A. D. Bache

American Journal of Science May 1863, s2-35 (105) 359-375; DOI: https://doi.org/10.2475/ajs.s2-35.105.359
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Abstract of an investigation of the solar diurnal variation and of the annual inequality of the horizontal component of the magnetic force, from observations made at the Girard College Observatory, between 1840 and 1845
A. D. Bache

American Journal of Science November 1862, s2-34 (102) 373-380; DOI: https://doi.org/10.2475/ajs.s2-34.102.373
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Abstract of the investigation of the influence of the Moon, on the horizontal magnetic force, from observations made at the Girard College Observatory, in the years 1840-41-42-43-44-45
A. D. Bache

American Journal of Science November 1862, s2-34 (102) 381-387; DOI: https://doi.org/10.2475/ajs.s2-34.102.381
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Abstract of a discussion of the horizontal component of the magnetic force, from observations made at the Girard College Observatory, Philadelphia, in the years 1840-41-42-43-44-45
A. D. Bache

American Journal of Science September 1862, s2-34 (101) 261-272; DOI: https://doi.org/10.2475/ajs.s2-34.101.261

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