there's a little bit of a shaker sifter, and you have corn meal. if you have wheat, you dump it down. it rides the elevator up, gets cleaned, goes into the bin and gets ground-up. that meal will travel the elevator a second time. there is a big round back. it has a rake that goes around, all powered by the waterwheel, spreads the meal out and dries it and eventually pushes it down to the bolter, a long sifting machine that separates out the fine white flour and the brand. when it is separated, it comes out to where the three chutes are, so you can take the stack or barrel, whatever you brought your grain in, and take your flour or bran. they did not have the sifter to separates different sizes of flour, so they had to use a bolts of cloth. prior to oliver evans inventing his milling system, which you see here, which he did patent in 1795, you would have to carry 50-pound sacks of flour, corn, or wheat up three flights of stairs, dump it in the cleaner. it comes down, gets ground-up, and now does in the basement and you would have to scoop up all th