Bui. 224, U. S. Dept. of Agriculture 



Plate 



Fig. 1.— Edge of Washed Tumbler 

 (C House). 



IH ^H5?^~~ 







BBsS***^ "* • * 









*» • *x 









" ^V 



■fir •• '•.•"* 



■In' .'„■•..'. /■■ 







III ' '' '■%•■' 







Ill _, " . . 







■lv_ # ' . # # - 







Em • 









ie%0^ 





Fig. 2.— Finger Tips of Breaker 

 (C House). 

















r^SH 



,_ • , 





Fig. 3.— Washed Finger Tips after 

 Crushing Tanners' Egg. 



C HOUSE. 



