Historical Marker Search

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historicalmarkerproject/markers/HM1S4B_furnace-flat_Strafford-VT.html
In this area, what may have been the first use of hot blast to smelt copper adjacent to a mine in the United States took place. During the winter of 1833-1834, Isaac Tyson, Jr., invented a hot-blast system for smelting copper. Assisted by smelting…
historicalmarkerproject/markers/HM184A_elizabeth-mine_Strafford-VT.html
In the 1790s a body of ore was discovered here, leading to the production of copperas from 1809 - 1880s and the intermittent production of copper from 1832 - 1958. The mine site covered 850 acres, and over three million tons of ore were extracted …
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