From left to right: A hand-operated circular bellows furnace, Santa Clara del Cobre, Mexico; a cast gold-and-copper-alloy lip plug (A.D. 1300–1521); a cast copper bell (A.D. 1300–1521) After they ...

An Egyptian archaeological mission has uncovered a copper smelting workshop, administrative buildings, and observation points at the Wadi El-Nasab site in South Sinai, shedding new light on the scale ...