Book excerpt: Now that you have established your metalworking shop and progressed in the various skills of the crafts you may want to expand your metal casting operation. Build this gas fired crucible furnace so that you can turn out castings for your projects faster and easier. Designed especially for the home shop foundry. Very quiet in operation. Easy to light and simple to operate. The body and lid raise for safer crucible handling. Operates on natural or bottled gas. Costs only a fraction of the price of a commercially built unit and it will melt aluminum, brass and even gray iron. This unit will really upgrade your shop and you will enjoy the convenience of gas fired melting.