c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel continuing along the apron for

continuing along the apron for a consistent

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

with minor deformation to the leather form consistent with age and handling

It was designed to be used in classrooms to show the transmission and reception of electromagnetic waves

advertising the brand's use across sewing

c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel continuing along the apron forOriginal 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