BOOK VI. 



199 



I 



A — Reservoir. B — Race. C, D — Levers. E, F — Troughs under the water gates. 

 G, H — Double rows of buckets. I— Axle. K — Larger drum. L — Drawing-chain. 

 M — Bag. N — Hanging cage. O — Man who directs the machine. P, Q — Men 



EMPTYING BAGS. 



