PART III. 



ARCHITECTURE. 



183 



DIVISION III. 



OF EXECUTION AND FINISHING. 



This is included under masonry, carpentry, plastering; 

 painting, glazing, &c. which are not necessarily connected 

 with my intention in this work. The most important points 

 to attend to in masonry are, the foundation, the quality of 

 the materials, and the formation of mortar. Mortar, as the prin- 

 ciples of chemistry and the practice of the best architects 

 shew, ought never to be soured or mellowed as is commonly 

 done, particularly in the North : See Dr. Anderson's Essays 

 on Limestone, Higgins's ditto, Irwin's (of Glasgow) works 

 on Chemistry, lately published ; and see also a Paper in the 

 Farmer's Magazine for 1805. 



It only remains for me, in concluding these remarks on 

 Architecture, to reply to an objection sometimes, and with an 

 appearance of justice, made against the idea of those who lay 

 out grounds combining that profession with architecture ; be- 



