A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 357
edle, withits circumference divided into degrees, measures the de-flection, and consequently the quantity of electricity passingover the wire. with Fig. 814 What is the effect of having two currents, one above and one below ?What is the effect of having two rectangles ? Five rectangles ? In these… … GALVANOMETER WITH ASTATIONE1CDLE. 903. Galvanometer with AstatitNeedle.—Instead of the ordinary nee-dle, an astatic needle (see § 875) issometimes used in the galvanometer.In this case, the needle, having itspolarity neutralized, is more readilyturned. The instrument is consequent-ly more…
Physics
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