556 Of Ch im ney Fireplaces. 



PLATE XIII. 



FIG. 12. 



This figure snows how an instrument called a bevel 

 (m #), useful in laying out the work, in altering chimney 

 fireplaces, may be constructed. See page 530. 



FIG. 13. 



This shows how, when the breast of a chimney (d) is 

 too high, it may be brought down by means of a wall 

 (h] placed under the mantle, and a coating of plaster, 

 which in this figure is represented by the part marked 

 by dots. See page 532. 



Fie. 14. 



This shows how the breast of a chimney may be 

 brought down merely by a coating of plaster. See page 



533- 



