SCIENCE OF HOME AND 

 COMMUNITY 



SECTION A 

 HYGIENE OF THE HOME 



CHAPTER I 

 HEATING THE HOME 



1. In what ways are our present modes of heat- 

 ing better than those used in early times ? 



2. What advantages has each of the following 

 methods of heating the home : hot air, hot water, 

 and steam? 



Early methods of heating. People have become so accus- 

 tomed to the methods now used to heat their homes that they 

 do not often stop to think that these same methods have not 

 always been used and that a hundred years ago people did 

 not have the same conveniences for heating that we now 

 enjoy. Our present methods of heating, as well as numer- 

 ous other conveniences, have come to us only gradually 

 after many changes and improvements running back hun- 

 dreds of years. Let us consider briefly the changes in meth- 

 ods of heating that have taken place from the very earliest 

 times up to the present day. 



The first method of heating used by primitive man many 

 centuries ago was to build a fire on the earth floor of his 

 crude hut and allow the smoke to escape through a hole in 



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