That the individual magnetic needle points to the north, and thus to the south as well, is a manifestation of general terrestrial magnetism: in two such empirical magnets the poles named similarly repel each other, whereas the poles named differently attract.
(the individual magnetic needle; points; to the north, and thus to the south as well) (the poles named differently; attract; ) (the poles; named; ) (the poles named; similarly repel; each other; T:in two such empirical magnets) (the poles; named differently; )
the individual magnetic needle the poles named differently the poles the poles named the poles
points attract named similarly repel named differently
to the north, and thus to the south as well
each other T:in two such empirical magnets