On Crescent Street at Cross Street, on the right when traveling west on Crescent Street.
These are the remains of the earliest iron smelting furnace in America, constructed in 1644 and in operation by spring, 1645.
Under the direction of John Winthrop, Jr. - future governor of Connecticut and a participant in the early years of . . . — — Map (db m298953) HM
Ore, charcoal and rock called gabbro for flux were hauled to this site, and a drying fire was started in the furnace. Within a day or two the water wheels and bellows were set in motion, and the “blast”, once begun, would burn . . . — — Map (db m86192) HM
