《Tetrabiblos》Number Of The Modes Of ProrogationClaudius Ptolemy（Ashmand 英譯 1822）
Ranger’s planisphere:—“If any one would provide himself with a Ptolemaic planisphere, with the horary circles, crepuscules, the zodiac’s latitude, and all other things requisite, it would be of very great service towards foreseeing the aspects.” (Cooper’s Translation, p.
段落 tetra-3-numberofth-71public-domain (Ashmand 1822)
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