ELECTRICITY IN THE HOME 



C/eaning 



Cfeenfne? 

 Chamber 



Air Pump 

 Motor 



Hose 



Nozzte 



FIG. 51. Electric vacuum cleaner. 



easily guided to any part of the room. It raises no dust and 

 may be used to clean not only floors, but also furniture, 

 books, walls, and draperies. 

 Electric connection may be 

 made with any lamp socket. 



Washing machine. The 

 electric washing machine con- 

 sists of a tub in which the 

 clothes are washed, a wringer, 

 and a motor which may be con- 

 nected with either the tub or 

 wringer. 



Electric iron (see figure 52). 

 The value of the electric iron 

 is widely appreciated and it is 

 in general use. It maintains 

 an even temperature ; and it is especially valuable during 

 the warm weather, as it is much more comfortable to use 

 than the old type of iron, which required proximity of a hot 

 fire. The heating element in some irons is a coil of wire 

 wound over the flat strips of mica laid 

 close to the bottom of the iron. In 

 other irons the heating element consists 

 of films of alloys of several metals on a 

 mica base. Some irons have a device 

 so that three degrees of heat may be ob- 

 tained, high, medium, and mild. This is 

 regulated by changing the position of the 

 asbestos plug at the back, which comes 



FIG. 52. Electric flatiron, . .,, ,-, - , -, . 



and resistance wire. m contact with three pins connected to 

 the heating elements in the iron. 



Electric dish-washer. The dishes are placed in a basket 

 on a revolving plate, and hot water is sprayed against them 

 with such force that they are quickly cleaned. They are 

 then rinsed in clean hot water and allowed to dry. The 



