324 



BUILDINGS, SANITATION, AND DISEASES 



also be applied by -means of a good spray pump, which forces 

 the dip through the hair and into all crevices. It may also be 

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



y^gjw < jyywjCTy rww^- 7 -_ ar . . y<. . t'-O" 



FIG. 88. Hog dipping vat recommended by the Wisconsin Station. (Bulletin 242.) 



Courtesy Tennessee Depaitment of Agriculture. 



FIG. 89. Concrete hog wallow. 



brushing the dip into the hair the job can be done thoroughly. 



The cement dipping vat illustrated herewith is the kind 



recommended by the Wisconsin Station (Bulletin 242). It is 



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



