Houseliold Steam Plant 191 



fire from a boiler than from a stove. The one 

 plant which furnishes steam and hot water for 

 various purposes, such as churning, sawing wood, 

 and pumping water, need not be more expensive 

 if it also is made to serve for heating the 

 house. 



A simple contrivance now in common use, — 

 when several buildings are heated from a cen- 

 tral 'station,— serves to govern the amount and 

 pressure of steam introduced into the building. 

 The farm steam plant should be situated, when 

 possible, below the level of the radiators on the 

 first floor, that the warm water from the con- 

 densed steam may be used again in the boiler 

 instead of cold water. In the long run, this 

 system would heat the house more cheaply than 

 stoves, require less care -taking, and be cleaner 

 and more satisfactory in every way. 



Much has been written about ventilation; and 

 too often the systems applicable to ventilating 

 large, overcrowded rooms and public halls have 

 been applied to dwellings. However complex 

 and difficult the ventilation of large buildings 

 may be, the ventilation of a room in a dwelling 

 is simple. If there are two or more windows in 

 a room, ideal ventilation can be secured by rais- 

 ing the lower and lowering the upper sash as 

 much as desired. By this method three streams 

 of air are allowed to enter or leave the room, as 



