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Auteur: Arthur T. LaBar
Beschrijving:
This plaque, over the central front opening in the Fitchburg Furnace, commemorates Fred Fitch, the innovative designer, and Samuel Worthley, the master stonemason. who together built an iron ore smelting facility in Estill County, Kentucky in 1868.
The building is among the 25 greatest dry-stone masonry projects anywhere in the world. Such masonry does not use binding mortar. Rather, construction is characterized by stacking stone that hold together by simple gravity plus the use of carefully interlocking stones. Central Kentucky is well-known for its many beautiful dry stone fences.
The structure of massive blocks of sandstone stands 81 feet (24.6m) long, 40 feet (12m) wide, and 60 feet (18.3) high and consists of two furnaces in a single structure. The Fitchburg Furnace was operated by Red River Iron Works. Additional buildings were once connected to the front and rear of the stone core visible here but have long ago disappeared.
A number of Fitch’s innovations, first used at this furnace, were employed at later furnaces elsewhere. When enhanced by pressure available from the new technology of modern boilers, this furnace could produce the high temperatures needed to produce pig (or crude) iron. The boilers built up gas pressure that boosted temperatures even higher.
The Fitchburg Furnace, listed in the U.S. National Register of Historic Places, is managed by the U.S. Forest Service as part of the Daniel Boone National Forest near Ravenna, in Estill County, Kentucky.
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