Principal facts of the earth's magnetism and methods of determining the true meridian and the magnetic declination. Reprinted from the United States magnetic declination tables and isogonic charts for 1902 (1909)
U.S. Coast and Geodetic Survey · Washington Govt. Print. Off · leaf 16
es to slide, and falls easily. It is better in order to show its virtues in the bestway to suspend it as follows: Take a single filament from a piece of new cotton andattach it exactly to the middle of the needle by a bit of wax as large as a mustard seed.Hang it up in a place where there is no… … A Japanese south-pointing cart(7th century .^. D.). Ed. Biot: Comptesrendus, t. XIX, p. 825. The passage is quoted from Benjamins book. 14 IRINCIFAL FACTS OF THE EARTHS MAGNETISM. property of the magnet to indicate the south, like that of the cypress to show thewest, no one can tell the origin.…
Magnetism, Terrestrial
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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