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Spherical exactastronomy in subject [X]
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MANUSCRIPT COLLECTION

Dates:
Circa late 17th century
Abstract:  

This is a Portuguese maritime treatise on spherical and planetary astronomy, based on the Ptolomeic system, but with presentation of the Copernican system. There are numerous diagrams and a few interesting sketches.
Call #:  
Mss.521.Ast8
Extent:
1 volume(s)



MANUSCRIPT COLLECTION

Dates:
n.d.
Abstract:  

This item is a book of calculations, including problems in the elements of astronomy; the calculations of lunar eclipses at Philadelphia, 1747-1761, and of solar eclipses in 1744 and 1752; and Halley's tables of the sun and moon.
Call #:  
Mss.524.G86t
Extent:
1 volume(s)