Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 944
895. Terrestrial current.—In order to explain terrestrial magneticeffects on this supposition, the existence of electric currents is assumed,which continually circulate round our globe from east to west perpendicularto the magnetic meridian. They are supposed by some to be thermo-electric currents… … -896] Electrodynamometers 919 needle comes to rest when the molecular currents on its under-surface areparallel and in the same direction as the terrestrial cuirents. As themolecular currents are at right angles to the direction of its length, theneedle places its greatest length at right angles to…
Physics
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