c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel Wyoming Shovel Works became a

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

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

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

however we are unsure if this function works or not

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

c. 1880 Ore Furnace Patent Model with Patent Documents by James Bujac ships wheel Wyoming Shovel Works became aOriginal 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