Belden Fan This belt-run axle ran a turbine (now gone) to blow fresh air into the mine. Related Similar Images ...based on the tags: belts, circles, fans, machinery, vents... The winch that hauled the sea leg, a decide to unload grain from waiting boats and barges. The first step of the filtering process is being spun through this tube. A rooftop scene. A huge vent looks like it built in a hurry. There was actually very little in the way of bits of machinery left over… I am guessing almost anything of value was scrapped in the 1990s. A morning shower made the plant’s metal siding shake… probably nothing, though, compared to when the furnaces were blasting. The objects on the ground are molten ore containers. Steel mine hoists, near the place they worked, wait for scrap prices to justify their final removal from Osceola, Michigan. The two exhaust vents coming out from the boilers en route to the stacks. Plywood marks where where catwalks were removed to extract equipment. Copper poured from this furnace and was cast by the autocaster on the right into billets. A little catwalk gives access to the most important gauges in the building. Behind them are huge vents and fans. I bet it got steamy in here.