Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 308
th asone needle of the samelength /, but of pole-strength measured bythe difference (« —ju) ;so that the magnetic moment with respect to the earth is /(^t—/t/), and may be verysmall indeed by having the pole-strengths \x and ^i nearly equal. The coils of the galvanometer, however, as seen in the… … Fig. 1.
Electricity
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