The Cause and Prevention of Tuberculosis 329 



Never spit on a slate, floor, playground, or sidewalk. 



Do not wet the fingers in the mouth for the purpose of turn- 

 ing the leaves of books, especially library or school books, as 

 book leaves are 

 sometimes the 

 lurking places of 

 germs of disease. 



Do not put pen- 

 cils in your mouth 

 or wet them with 

 your lips. 



Do not hold 

 money in your 

 mouth. This is 

 extremely im- 

 portant, because 

 money is liable 

 to come in contact 

 with all sorts of 

 people and to be- 

 come contami- 

 nated with many 

 kinds of disease- 

 producing bacteria. 



Do not put into 

 the mouth any- 

 thing that another 

 person has had in 

 his mouth. This 



FIG. 175. The Open- Air Treatment of Tuberculosis. 

 Service of Dr. J. H. Pratt, Boston. 



(The porch in this cut was built at small cost for a con- 

 sumptive patient who wished to sleep out of doors but 

 did not wish to use the yard or a porch off the first floor. 

 On a similar balcony a patient who had advanced tuber- 

 culosis spent most o'f the day and slept every night for 

 a year. He gained sixty pounds in weight while taking 

 the open-air treatment.) 



refers to gum, apple cores, candy, whistles, bean blowers, 

 drinking cups, and many other things. 



Never sneeze or cough in a person's face. Turn your face 

 to one side or hold a handkerchief before your mouth. 



