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 344
of the upper one points the sameway as the south pole of the under one, and astatic needle. to the two poles of the needle ? 872. How is it shown that the poles of a bar magnethave different properties ? How are these poles distinguished ? 873. What is thelaw of magnetic attraction and repulsion ?… … 340 MAGNETISM. vice versa. The consequence is that the polarity of both is destroyed; theneedles will remain in whatever direction they are placed. 876. When a magnet is divided, each portion becomesa perfect magnet in itself, and has its own poles, even thoughthe parts in which the new poles lie…
Physics
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