Industrial Change in Wolverhampton and District Glossary Bad Iron Iron that breaks when hot and is unsuitable for working with hammers Bar Mill A mill for making iron and steel bars Bed A layer Bessemer process a process of making steel involving the use of air forced through molten metal Billet A lump of steel before it is processed Blast Furnace A furnace where a blast of air is used during the process to make iron Bloom A mixture of iron and impurities Bloomery The process of working iron with hammers Bloomsmithy A place where iron is worked Boiler A receptacle for boiling water Bore Hole A hole made by boring Boring Rods Rods used for boring a hole Brick Works A place where bricks are made Butty A person who runs a coal mine for its owner Canal Wharf A place at the side of a canal for the loading and unloading of goods Cast Iron An iron-carbon metal alloy Charcoal A combustible material made from Wood or other vegetable matter Coal Pits An open coal mine   Cogging Mill A mill for making short bars of iron known as billets Coke A fuel made from coal Colliery A garment made of metal for protection Continuous Strip Mill A mill for making strip steel where the strip is run through rollers repetitively Flat-iron Heaters A heater made of iron Forge A furnace where iron is heated Gin crude winding device that was often used to extract the coal. Hearth The area of a furnace where the molten metal collects High Wheeler A bicycle with one large front wheel and one small wheel at the rear. Also known as Ordinary bicycles or Penny Farthing bicycle Hobby Horse An early form of bicycle Hot-Blast Stove A furnace that produces a blast of hot air for a blast furnace Hugenot A member of a Protestant religious group in France. Many left the country in the 16th and 17th centuries to escape persecution Ingots Metal cast in a mould Iron Foundry A place where iron is cast into moulds   Ironmaster An owner of an ironworks Iron Works A place where iron is made and worked Leasee A person who hires or rent property for a period of time Molten Metal Metal in a liquid state Non-Renewable Something that cannot be replaced Open-Hearth Furnace A type of furnace used to make steel Ore A rock containing mineral elements Peat Inflammable decayed vegetable matter Pig Beds A place where Pig Iron is cast Pig Iron Iron cast into ingots   Pit-Ponies Small horses used to transport coal around a coal mine. Pottery A place where earthenware goods are made Pulpit A raised structure in a church or chapel occupied by a preacher Quadricycle A cycle with four wheels Redheat Hot metal that has changed colour to red Resources Sources of wealth Rolling Mills A mill where metal is rolled into bars or strips Run Off Allowed to flow Safety bicycle A bicycle with wheels of the same size, the rear wheels driven by a chain Seam A layer of minerals between thicker materials Shaft A well-like excavation   Shear Split and break Smelting The action of melting iron ore to make molten iron Soft Roll Metal bars that have been rolled when soft Steam Engine An engine driven by steam Steel Iron containing a little carbon Sulphur A brittle non-metallic element Tandem A cycle made for two people to ride at the same time. Tapped The release of molten metal from a furnace Tilt-Hammer Large mechanical hammer Tin Plate A thin steel plate covered with tin Tricycle A cycle with three wheels Velocipede An early form of bicycle from which the modern bicycle was developed   Workings Underground mining operations