c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac armours Medium: Color lithograph on wove

Medium: Color lithograph on wove paper

this one was known as Betty

9" dia and 9" H

This vintage lighter is silver and cylindrical in shape

Vintage dry powder fire extinguisher

c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac armours Medium: Color lithograph on woveOriginal 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