What Is the 1966 Washington Quarter Made Of? The 1966 Washington Quarter is made of 75% copper and 25% nickel. This composition has been in use since 1965. However, before 1965, the Washington quarter ...
Nickel, a basic metal, is widely employed in the manufacture of stainless-steel items. It is widely used in engineering, electrical, and construction industries. Nickel is widely used in the ...