c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel James Keiller & Son Dundee

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

continuing along the apron for a consistent

advertising the brand's use across sewing

SS - C-19704 - 031826

c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel James Keiller & Son DundeeOriginal 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