BOOK VIII 



A-Water-wheel. B-Axle. C-Stamp. D-Hopper in the upper millstone. 

 ii— Opening passing through the centre. F— Lower millstone. G— Its 



ROUND DEPRESSION. H—ItS OUTLET. I— IrON AXLE. K— ItS CROSSPIECE. L— BeAM. 



M— Drum of bundles on the iron axle. N— Toothed drum of main axle. O— Tubs. 

 F— Ihe small planks. Q— Small upright axles. R— Enlarged part of one. 

 b— IHEIR paddles. T— Their drums which are made of rundles. V— Small 



HORIZONTAL AXLE SET INTO THE END OF THE MAIN AXLE. X— ItS TOOTHED DRUMS. 



''"Three sluices. Z— Their small axles. AA— Spokes. BE— Paddles. 



