Champlevé: A process of enamelling on metal in which the ground of the pattern is cut away with a chisel into a series of shallow troughs into which the enamel is melted, the surface being afterward ground smooth and polished.
Chasing: Surface modelling of metal with hammer and punch or chasing tools.
Cloisonné: An enclosing ribbon wire, which being soldered edgewise on a metal ground makes a trough into which enamel is melted, the ribbon making the division. Thus the design is separated.
Collar: A ring made of stout leather filled with sand or some other soft material used to support the pitch block.
Draw Plate: A flat plate of steel or iron with rows of graduated holes, used for drawing or reducing wire.
Face Plate: A square thick iron plate with the surface perfectly smooth and level to test work on.
Flux: Any material used to protect the surface of metal from oxidation when exposed to heat. Borax and water mixed, etc.
Graver: A kind of small chisel used for cutting metal, or lines on surfaces.
Mandrel: A rod of wood or iron of any section used either for coiling wire for chains or the making of rings. Matt tool: A punch, flat and graduated on one end, used for making groined surfaces on metal.
Pickle: Solutions of various acids in water used for removing the film of oxide and sulphide surface of metal. The acids used are nitric acid, hydrochloric acid, and sulphuric acid, about 8 to 1. This is strong enough for ordinary work.