BOOK VIII. 



329 



A_Sluice covered with canvas. B— Its head full of pockets and grooves. 

 C— Head removed and washed in a tub. D— Sluice which has square pockets. 

 E— Sluice to whose planks small shavings cling. F— Broom. G— Skins of oxen. 



H— Wooden scrubber. 



