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.
Fort Nassau. Fort Nassau: Albany. First Dutch trading post and stockade 1614-1618. Built on Castle island East side of Hudson River South of present Rensselaer (Patroon's Island).Said to have been the first permanent building in New York.Washed out by a river flood.ort Nassau: Albany. First Dutch trading post and stockade 1614-1618. Built on Castle island East side of Hudson River South of present Rensselaer (Patroon's Island). Said to have been the first permanent building in New York. Washed out by a river flood.