They are too various to be enumerated. In sheets it is much used to sheathe the bottoms of ships, for boilers, and other utensils. Copper coin was the only money used by the Romans till the 485th year of their city, when silver began to be coined. In Sweden, houses are covered with this metal.

What is a Mine?

A cavity under ground, formed for the purpose of obtaining metals, &c.; mines are often very deep and extensive. The descent into them is by a pit, called a shaft; the clues by which mines are discovered, are, mineral springs, the discoloration of vegetables, the appearance of pieces of ore, &c.

Clues, signs or means by which things hidden are brought to light.

What is Brass?

A factitious metal, consisting of copper and zinc. Brass is lighter and harder than pure copper, and less subject to rust; owing to these properties, together with its beautiful color, it is extremely useful in the manufacture of many utensils.

Factitious, made by art, not found in a natural state.

What is Zinc?

A metal of a brilliant bluish white color. Its name was unknown to the ancient Greeks and Arabians. It is mixed with other substances in the ore, from which it is obtained by smelting in the furnace. It has never yet been found native or pure.

For what is Zinc used?