A treatise on astronomy,
in which the elements of the science are deduced in a natural order from the appearances of the heavens to an observer on the earth; demonstrated on mathematical principles; and explained by an application to the various phenomena.
By Olinthus Gregory ...
|Main Author:||Gregory, Olinthus, 1774-1841.|
London, Printed for G. Kearsley [etc.] 1802.
xiii, 522,  p.
9 fold. plates.
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