《Tetrabiblos》The Degree AscendingClaudius Ptolemy（Ashmand 英譯 1822）
In most cases, the actual minute of the hour, at which the birth happens, can only be ascertained by making a scientific observation, at the time, with an horoscopical astrolabe[112]; for all other instruments, employed in ascertaining the hour, are almost fallacious, although used by many persons with much care and attention.
段落 tetra-3-thedegreea-2public-domain (Ashmand 1822)
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