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Hopewell Furnace National Historic Site
Support Your Park
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Did You Know?
Early in the American Revolution, colonial ordnance inspector Daniel Joy conducted a sort of school for Pennsylvania ironmasters on the proper method of casting cannon. As a result, in 1776-77 approximately 100 "great guns" were cast at Hopewell Furnace and accepted by the Continental Navy.
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Last Updated: November 04, 2007 at 13:03 EST |