Concentrators Inside the pilot copper concentrator. Similar Images ...based on the tags: machinery, tanks... The hoist signal dangling beside the modern mine shaft would ring a bell next to the giant electric motors that would send the men and machinery into the underground. Compressors and turbines over the Eagle River. A hydraulic ‘bridge’ couple lower onto the tracks to bring mine cars into the shaft house, presumably for repair. I haven’t found this system anywhere else, but it makes a lot of sense. A jankey ladder leads to a platform over a wooden tank. Here’s hoping my usage contributes to jankey being accepted into the dictionary! Thanks, lexicographers. Open wide! Here comes the sugar beets! Looking down at the Port Arthur Ore Dock from Manitoba Pool Elevator #3. The conveyor belts are gone and King Elevator is in the far distance. Jet Lowe is my inspiration. A line of huge machines wait to be used as parts under a long-disused belt drive. SWP4-A on the left and Viterra C on the right in a 90-degree panorama.