CHAPTER V. 



[Pursuit of 



" Home-keeping youth have ever homely wits." 



****** 

 " I rather would entreat thy company 

 To see the wonders of the world abroad, 

 Than, living dully sluggardized at home, 

 Wear out thy youth with shapeless idleness. " 



The, Two Gentlemen of Verona. 



IT would have been unfortunate if the death of Robert 

 Boyle had arrested the progress of the sanitary work of 

 which he was such a skilful and indomitable pioneer. His 

 genius and energy survived in his son, who continued the 

 great conflict against foul air with renewed vigour. As 

 an inventor, too, he has already made his mark, his name 

 being connected with a number of ingenious inventions con- 

 nected with practical sanitation. During a period of fifteen 

 years he has attentively studied every phase of sanitary science, 

 and has acquired such a high reputation in his profession 

 that he has been employed to ventilate buildings in nearly 

 every European country, and even at the Antipodes. Some 

 of these tasks have been executed under trying conditions, 



