c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel This thermometer is housed inside

This thermometer is housed inside a framed "No Fishing" scene and features contact information for the O

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c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel This thermometer is housed insideOriginal patent model representing James Bujac's Ore Furnace and Reducer, patented November 9, 1880 (U. S. Patent No. 234,170). Constructed of hand fabricated sheet metal, the model illustrates Bujac's proposed furnace design with a tapered ore hopper, firebox, flue openings, and hinged access doors corresponding to the patent drawings. Designed to process metalliferous ores, the invention employed a closed ore cylinder and retort system intended to