《Tetrabiblos》Number Of The Modes Of ProrogationClaudius Ptolemy（Ashmand 英譯 1822）
The whole of the instructions in this paragraph are fully exemplified in the following chapter. When, however, a prorogatory and preceding place may not be situated on any one of the three aforesaid points, but in some intermediate station, it must be observed that _other_ times[161] will then bring the succeeding place to the preceding one; and _not_ the times of ascension or descension, or transit of the mid-heaven, as above spoken of.
段落 tetra-3-numberofth-30public-domain (Ashmand 1822)
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