Compressor Room Compressors and turbines over the Eagle River. Similar Images ...based on the tags: machinery, numbers, stencils... Park Insurance Agency is no longer in business, nor would you be able to dial that phone number. The working end of the blast furnace, where molten metal would flow like lava out of the furnace… a process called ‘tapping’. I found a historical photo of this room showing 10-foot high machines with wires hanging by the mile from looms and schematic charts. I tried to hide the graffiti from my photos, but sometimes it wasn’t possible. A 8-foot-tall volume indicator that could be read from across the beet boiler floor–convenient when the controls are 20 feet away. Note the large belt pulley in the center of the frame. Follow the axel it’s on and you’ll see several belts still attached to the drive, which was originally steam-driven. The side of the maintenance shops, still home to several disassembled electric carts. The texture of the cracking poured concrete ore pocket is somewhere between stone and driftwood. A typical lab at the Research Center.