BOOK III . 57 over that one of the twelve lines called “ diameters ” on which the number XII is inscribed at both ends . South . … North . When the needle which is governed by the magnet points directly from the north to the south , the number XII at its tail , which is forked , signifies the north , that number XII which is at its point indicates the south . The ' sign VI superior indicates the east , and VI inferior the west…
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