Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 46
and the following experiments,that it must be the pole as defined in Art. 11, and not themere end of the magnet, which is to be placed at the givendistances from the suspended magnet. A few experimentsenable the experimenter to arrive at the true position of themagnet pole, which in an ordinary bar… … method (Fig. 26) we employ a very short magnet PP (exag-gerated in the figure), furnished with a long non-magneticpointer, by which the deflection of the needle from themagnetic meridian may be measured. The deflecting magnetis placed in a line east or west of the point of suspension of 28…
Electricity
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