On the Construction of Fire-places , etc. 251 



generously came forward and subscribed in a very short 

 time no less a sum than thirty thousand pounds sterling, 

 for the noble purpose of " diffusing the knowledge and 

 facilitating the general introduction of new and useful 

 inventions and improvements." 



In the repository of this new establishment will be 

 found specimens of all the mechanical improvements 

 which I have ventured to recommend to the public in 

 my Essays. 



