| Rating | Solver | Clue |
|---|---|---|
| STEEL | Iron alloy | |
| STERROMETAL | Any alloy of copper, zinc, tin, and iron, of which cannon are sometimes made. | |
| MAT | A name given by coppersmiths to an alloy of copper, tin, iron, etc., usually called white metal. | |
| TERNEPLATE | Thin iron sheets coated with an alloy of lead and tin; -- so called because made up of three metals. | |
| REFINE | ...ecate; as, to refine gold or silver; to refine iron; to refine wine or sugar. ... | |
| SPIEGEL IRON | A fusible white cast iron containing a large amount of carbon (from three and a half to six per cent) and some manganese. When the manganese re... | |