《Tetrabiblos》The TriplicitiesClaudius Ptolemy（Ashmand 英譯 1822）
[56] The degrees here mentioned are degrees of the equator. [57] See, in the Appendix, an extract from these tables; the whole of which are to be found in the Almagest.
段落 tetra-1-thetriplic-37public-domain (Ashmand 1822)
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