PLATE XII. 



Fig. 25. 



CHAMPOXXOIS EASP.— (Maumexe.) 

 II. Hopper for roots. 

 P, P'. Heavy east-iron anus attached to axle V. and which, by rapid 



revolution, force the roots against rasps held in frame 15 IV. 

 T. Tipe to convey jet of water to interior of ra.sp. 



