502 WATER SUPPLY AND SEWAGE DISPOSAL 

 Exercise 97. A Study of Faucets 



Secure from a plumbing house as many types of faucets as possible 

 and study each carefully, noting its construction and how it is operated. 

 Make a sketch of each and write a brief description of it telling how 

 it works. 



B.UBBCR CI/SH/ON VAL ve CLOSED 

 FIG. 309. The Fuller bibb. 



FIG. 310. The self-closing 

 compression bibb. 



590. Importance of Good and Sanitary Plumbing. No 



portion of a modern residence needs to receive more careful 

 attention than the plumbing. Faulty or cheaply constructed 

 plumbing is likely to prove both dangerous to health and, in 

 the end, very expensive because no other kind of repair work is 

 more expensive than repair of plumbing. In fact, good, safe 

 plumbing is considered so important that the laws of most 

 states and cities require that all plumbing work be done by 

 licensed plumbers who have passed examinations intended to 

 test their knowledge of sanitary plumbing. These laws require 

 that all plumbing shall be constructed in a sanitary manner; 

 in many cases they state exactly the way in which the plumb- 

 ing shall be constructed. 



691. Sanitary Fixtures. Such fixtures as bath tubs, sinks, 

 lavatories, wash tubs or laundry trays, and closets have been 



