552 Of Chimney Fireplaces. 



PLATE XI. 



FIG. 7. 



This figure represents the ground plan of a chimney 

 fireplace in which the grate is placed in a niche, and in 

 which the original width A B of the fireplace is consid- 

 erably diminished. 



a b is the opening of the fireplace in front after it has 

 been altered, and d is the back of the niche in which the 

 grate is placed. See page 527. 



FIG. 8. 



Shows a front view of the same fireplace after it has 

 been altered ; where may be seen the grate, and the 

 doorway for the chimney-sweeper. See page 527. 



FIG. 9. 



Shows a section of the same fireplace, c d e being a 

 section of the niche, g the doorway for the chimney- 

 sweeper, closed by a piece of firestone, and / the new 

 wall under the mantle, by which the height of the open- 

 ing of the fireplace in front is diminished. See page 

 527. 



