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Delaware & Lehigh National Heritage CorridorA canal boat on the Delaware and Lehigh Canal in the summer
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Delaware & Lehigh National Heritage Corridor
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Our heritage and parklands range from the tiny historical societies and old homes to sophisticated museums. It is best to check with each site for special needs.
The octant is a navigational tool based on the curve of one eighth of a circle. It measures angles for solar and celestial navigation.  

Did You Know?
In 1799, Salem native Nathaniel Bowditch revised John H. Moore's New Practical Navigator, the standard navigation manual of the 18th century. Bowditch discovered and corrected over 8,000 errors in Moore's manual! In 1802, Bowditch published the New American Practical Navigator.

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Last Updated: July 25, 2006 at 00:31 EST