Callie Furnace - Credit: Wikimedia Commons
Callie Furnace is a historic iron furnace located near Glen Wilton, Botetourt County, Virginia. It was built as a hot-blast charcoal furnace around 1873–1874, and subsequently enlarged and converted into a coke furnace. In 1883, the stack was raised an additional five feet, and a tuyere was added. Callie Furnace went out of blast in 1884. and Accompanying photo Read more on Wikipedia
Source: en.wikipedia.org