《Tetrabiblos》No. IiClaudius Ptolemy(Ashmand 英譯 1822)
In the latitude of Southern Britain, these hours would produce 59°, which, added to the right ascension, would make 116° 44′, and show the 25th degree of Cancer on the meridian.
段落 tetra-4-noii-18public-domain (Ashmand 1822)
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