Abstract
In a recent paper, term ed here for brevity (A), I considered the relationship between certain phenomena of terrestrial m agnetism on “ quiet ” days at Kew and Wolfer’s sun-spot frequency. Some contemporaneous French and German magnetic data were also referred to, but in no great detail. I have now gone more fully into the question, in order to find out w hether any of the phenomena conspicuous at Kew are peculiar to the place or to the period of time formerly dealt with. Assuming the relation between any magnetic quantity It—such as the daily range of declination—and sun-spot frequency S to be of the simplest type, R = a + b S.............. (1)
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Schedule a callMore From: Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Mathematical or Physical Character
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