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Cartography
(2009-07-24)
This scientific journal by James Dinwiddie focuses on navigation by stars which is demonstrated through a series of calculations. This file consists of one journal that is 24 pages in length.
Astronomy
(2009-07-24)
In this scientific journal, James Dinwiddie focuses on astronomy. He discusses the solar system, sunspots, comets, and the moon. This file consists of one journal that is 54 pages in length.