Concentrators and Control Room Inside the pilot copper concentrator. Related Similar Images ...based on the tags: belts, machinery, mills, pulleys, shacks, staircases, wheels, yellow... An antique clothes dryer and sample inline 4 engine, the latter used as a training piece after WWII to retrain veterans. Looking at the top of the Washburn Crosby elevator from a mirrored window in the Guthrie Theater. Ready for some science? Strap-in and get your goggles. It was as noisy then as it is colorful now… 2005. Looking across the Mississippi from a park the night after the first snow. This rod mill (?) was made in Denver Colorado at a factory now buried by condos. #justdenverthings A tight-winding wooden staircase leads to where the ropes are tied above the stage. I am standing next to the big old film speakers while taking this. In the back of the warehouse is the old incinerator, probably used to destroy kegs that could not be reused. The Engine House’s boiler, which would have been fired all day all day, virtually from the day the shop opened until the day it closed.