Understanding Flues. A flue is simply a passage for conveying exhaust gases from an appliance to the outdoors. A flue may be a duct, pipe, vent, or chimney. An unlined chimney is technically a flue, even though an unlined chimney is a fire hazard. This can cause confusion, as many view flues not just as a passage for venting, but as a safe passage for venting.
Show map of the US. Fort Ontario is a historic fort situated by the City of Oswego, in Oswego County, New York in the United States of America. It is owned by the state of New York and operated as a museum known as Fort Ontario State Historic Site.
Located on Lake Champlain in northeastern New York, Fort Ticonderoga served as a key point of access to both Canada and the Hudson River Valley during the French and Indian War.lthough it was a small-scale conflict, the Battle of Fort Ticonderoga was the first American victory of the Revolutionary War, and would give the Continental Army much-needed artillery to be used in future battles.