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Results for "Rittenhouse, David"
Rittenhouse, David
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$42.95
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During the years of 1767-1770 David Rittenhouse designed and produced two orreries, one for Princeton Univ. and one for the Univ. of PA. Dur... Read More
$38.10
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The ToV occurs when Venus's orbit causes the planet to speed past the slower moving Earth and visibly cross the Sun, partially obscuring it.... Read More
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