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Grade Range:
4-12
Resource Type(s):
Reference Materials, Primary Sources
Date Posted:
5/26/2009
Students will learn how Atlantic-based trade shaped modern world history and life in America, and explore the web of maritime connections between Western Europe, western and central Africa, and the Americas that made up the Atlantic world in this section of On the Water: Stories from Maritime
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
10/9/2008
The astrolabe is an astronomical calculating device used from ancient times into the eighteenth century. Measuring the height of a star using the back of the instrument, and knowing the latitude, one could find the time of night and the position of other stars. The openwork piece on the front, ca
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