32-i 



BUILDINGS, SANITATION, AND DISEASES 



also be applied by means of a good sprav pump, wliicli forces' 

 the dip tlirongli the hair and into all crevices. It may also he 

 applied hy means of a broom, using a pail to hold the dip. By 



6'- 0^ — w- 



FiG. 88. — Hog dipping vat recommended by tlie Wisconsin Sia.tion. (Bulletin 242.) 



brushing the dip into the hair the job can l.ie done tlioronglily. 



The cement dipping vat illustrated herewith is tlie kind 



reconnnended liy the Wiscunsin Station (Bulletin 242). It is 



provided with a chute at each end, and there is a return drain 



