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 1136
markable for the prevalence of the aurora. The lasttwo periods are also remarkable for the occurrence of disturbances in theearths magnetism. Numerous hypotheses have been devised to account for the auroraeboreales. As they share the rotation of the earth, they must have an atmo-spheric origin.… … Fig. 1048 storms (738), and the prevalence of strong earth currents, are usuallycoincident with the appearance of especially brilliant aurorae. It is probable that the attenuated air in the upper regions of theatmosphere is a fairly good conductor of electricity, and we know that whena conductor…
Physics
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