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"Grain enters the mill at H down into D and into tube A. The grain passes down through the holes B and C causing A to rotate. This rotation powers the millstone S at the top which grinds the grain before it reaches the dispersal tube A." —Quackenbos 1859

Barker's Mill

"Grain enters the mill at H down into D and into tube A. The grain passes down through the holes B and…