《Tetrabiblos》The Zodiacal PlanisphereClaudius Ptolemy（Ashmand 英譯 1822）
In the third example, 0° ♉ is supposed to be on the 7th house, descending, at F, so that ♓ is on the mid-heaven, and 0° ♊ at the point G, in advance of the mid-heaven 32° 16′ of the equator, as shown by the distance BG.
段落 tetra-4-thezodiaca-11public-domain (Ashmand 1822)
↗ 開啟公有領域原文（Wikisource）此段為公有領域典籍逐字擷取，零 AI 生成；原文亦存繁化前底本，可逐字審計。我們寧可少引、不可錯引——驗不過的引文一律捨棄。