c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel ease of cleaning

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James Keiller & Son Dundee Marmalade is believed to have been the first commercial brand of marmalade in Great Britain

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Wyoming Shovel Works became a major American producer of mining and industrial shovels

c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel ease of cleaningOriginal 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