Smokestack Swirls Fly ash, kicked up by downdrafts, rise again up the smokestack that is the signature feature of the plant. It’s a steel top hat. Related Similar Images ...based on the tags: circles, dusty, rivets, sepia, smokestacks... These machines are at least 100 years old. A long exposure of the city glow illuminating the roof, highlighting the victorian and gothic influences on the brew house. The purpose of the concentrator was to separate the gold and silver-rich ore from the waste rock. You can tell from the design that the process relies heavily on gravity. A panoramic view of the sintering plant’s gas plant (?). Everyone who visits must get a picture of these rusty smokestacks! A wounded flour mill, muscled into the corner to keep out of the way. Looking through the washer that is the first stop for the dredgings. This mean-looking thing had a purpose, probably, but that function has been lost to decades of expansion. Scanned after being recovered from the bottom of an old wooden box for a few years. Circa 2005. It will be a good harvest.