296 



BOOK VIII. 



A — First mill. B — Wheel turned by goats. C — Second mill. D — Disc of 



UPRIGHT AXLE. E — ItS TOOTHED DRUM. F — ThIRD MILL. G — ShAPE OF LOWER 



MILLSTONE. H — SmALL UPRIGHT AXLE OF THE SAME. I ItS OPENING. K — LeVER 



OF THE UPPER MILLSTONE. L — ItS OPENING. 



