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"The book will provide a set of plans for an oil and or propane fired, 50 pound capacity aluminum melting furnace. The furnace will tilt around the spout and not the center of gravity so that the stream of molten metal remains in a fixed location and does not change with the furnace angle. The furnace will melt 100 pounds of aluminum per hour...the furnace is to be built from common materials such as sand, clay, rectangular tubing and an old 30 gallon drum. The furnace will be built for $200 or less."