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Observations on the stars.
9
14.
To see the real nature of the planets open the covering and note at
the base [Footnote 4: basa. This probably alludes to some
instrument, perhaps the Camera obscura.] one single planet, and the
reflected movement of this base will show the nature of the said
planet; but arrange that the base may face only one at the time.
On history of astronomy.
9
15.
Cicero says in [his book] De Divinatione that Astrology has been
practised five hundred seventy thousand years before the Trojan war.
5
7000.
[Footnote: The statement that CICERO, De Divin. ascribes the
discovery of astrology to a period 57000 years before the Trojan war
I believe to be quite erroneous. According to ERNESTI, Clavis
Ciceroniana, CH. G. SCHULZ (Lexic. Cicer.) and the edition of De
Divin. by GIESE the word Astrologia occurs only twice in CICERO:
De Divin. II, 42. Ad Chaldaeorum monstra veniamus, de quibus
750
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