282 



GENERAL SCIENCE 



Why should the force be sufficient to prevent the lips from 

 touching the cup? 





FIG. 179. A drinking fountain in which the little girl's hands are in the proper 

 place. The water is turned on at a distance from the place where she 

 is to drink. A number of fine sprays meet at a point near the center of 

 the drinking piece. This fountain is clean and sanitary. 



