78 THE SUBJECT RAISED TO THE DIGNITY OF A SCIENCE. 



and health of the clerks have been improved 



It is a satisfaction to us to know that a matter we have con- 

 stantly 'ventilated' in these columns is now no longer a 

 subject for complaint. At the same time, the eminent firm 

 who have so ably dealt with this evil are undoubtedly to be 

 congratulated on their success." Civil Service Gazette, %oth 

 March, 1881. 



"Messrs. Robert Boyle & Son are to be congratulated 

 upon the success they have achieved, and the London 

 Custom House may proudly be added to the long list 

 of public buildings successfully ventilated by them, and 

 which bear testimony to the soundness of the principle they 

 advocate. As founders of the profession of ventilating 

 engineers, they have raised the subject to the dignity of a 

 science, and brought their system to such a state of 

 perfection that we understand they are prepared to 

 guarantee the efficient ventilation of any building en- 

 trusted to their hands, no matter how many other systems 

 may have been previously tried and found unsuccessful." 

 Industry. 



After the lapse of fifteen months Mr. Boyle, who would 

 make no application until he considered the occupants of 

 the Long Room had had sufficient experience of the system 

 during all seasons of the year, received the following official 

 report : 



