Intermediate Smelter

Intermediate smelter. Can do just about anything as far as smelting goes, although a Bessemer converter is more efficient at converting pig iron to steel.

Recipes Allowed

 * Bauxite to Corundum abrasive
 * Cerussite to Lead
 * Iron Oxide to Pig Iron (Reverberatory)
 * High Speed Steel
 * Quick Lime from Calcium Carbonate
 * Pig Iron to Wrought Iron (Puddling)
 * Reduce Copper oxide to Copper
 * Soda Glass
 * Wrought Iron to Steel (Cementation)

Requires

 * 500 Fire Brick
 * 500 Mortar