The iron is soon covered with a coating of zinc, and forms what is termed galvanized iron. At hand, the operator has a crucible or pot containing melted copper covered with some incombustible ...

Don Lutes Jr. held on to his discovery for over 7 decades until his death this year. Now, the find is expected to fetch over ...

The coating of copper thus obtained, may be converted to one of brass by exposing the sheet of metal to the vapor of zinc in a closed vessel.

In 1943 as copper and nickel were needed by allies of the war, almost all circulating pennies were made from zinc-coated steel. But in one of the most valuable errors in coin history, some pennies ...