Cooling Engine Flywheel Under the monster and its teeth. Related Similar Images ...based on the tags: circles, flywheels, machinery, pipes, rusty, scrapped, wheels... The working end of the blast furnace, where molten metal would flow like lava out of the furnace… a process called ‘tapping’. The porcelain hoops guided the silk threads through the device. Mounted in an office. These buildings were largely used as concentrators for the crushed rock, although I did spy some small mills inside these too. A filter to separate the sliced beets from boiling water. There are so many pipes i the factory–I wonder how many people knew where they all went, in the days these machines operated at capacity. Part of the grain dust venting system, dislodged from its place above the dumping hatches under the grain cribs. A volcano (?) under a window.