《Tetrabiblos》The Annual SeasonsClaudius Ptolemy（Ashmand 英譯 1822）
Ptolemy himself seems to have foreseen this groundless objection of the moderns, and has written, in the 25th chapter of this book, what ought completely to have prevented it.
段落 tetra-1-theannuals-8public-domain (Ashmand 1822)
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