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- 760 .W34K
 
Watts, Isaac, 1674-1748.
The knowledge of the heavens and the earth made easy: or, The first principles of astro- nomy and geography explain'd by the use of globes and maps. With a solution of the common problems by a plain scale and compasses, as well as by the globe. Written several years since for the use of learners. By I. Watts, D.D. The sixth edition, corrected ...
London: Printed for T.Longmans,J.Buckland,and W.Fenner,in Pater-noster-row;J.Waugh in Lombard-
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