Glossary

Enamel is made of melted glass, often on metal. Sometimes called vitreous or porcelain enamel, it is made by fusing powdered glass to a base by firing, usually between 750…

Brass is an alloy of copper and zinc, in proportions which can be varied to achieve varying mechanical and electrical properties. Brass has long been a popular material for decoration…

A music box or musical box is an automatic musical instrument in a box which produces musical notes by using a set of pins placed on a revolving cylinder or…

Silver has long been valued as a precious metal and has a brilliant white metallic luster that can take a high polish which is so characteristic that the name of…

The earliest recorded metal employed by humans appears to be gold, which can be found free or "native". Small amounts of natural gold have been found in Spanish caves used…