《Tetrabiblos》Signs Beholding Each Other, And Of Equal PowerClaudius Ptolemy（Ashmand 英譯 1822）
It is, however, to be recollected, that the parallels now alluded to are distinct from the _mundane parallels_, which are equal distances from the horizon or meridian, and are considered by Ptolemy in the 14th and 15th Chapters of the 3rd Book of this work; although not under the express name of mundane parallels.
段落 tetra-1-signsbehol-3public-domain (Ashmand 1822)
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