40 
GARDEN ORNAMENTS. 
Q, either fixed or loose as may be required. M M are two outlet pipes commu- 
nicating with the upper part of the boiler through which the hot water circulates. 
! I 
till 1 1 
Fig. 5. 
Fig. 4. 
After passing away to the outside of the brickwork, the pipes are ramified into two 
or three branches, as may be required, for warming different houses or separate 
parts of the building. N N are two return pipes, which enter the lower part of 
the boiler. O is the ash pit, with a door, Q, to regulate the draught. The furnace 
has double doors, P, to exclude the external air. In the front of the fireplace, 
between the furnace bars and door, there is a piece of iron one foot wide, by one 
to three long, which acts as a carbonising plate, and when the fire begins to burn 
strong so as to heat the iron, nearly the whole of the smoke is consumed. 
Figure 5, is a section of a boiler, with an additional flue surrounding the lower 
part of it, and used for large buildings, or when several houses are required to be 
heated from the same boiler. 
(To be continued). 
GARDEN ORNAMENTS. 
In some of our late numbers we have adverted to certain architectural an 
sculptured ornaments which are considered suitable for the embellishment of gar- 
dens, or to enrich the scenery of the dressed grounds in the vicinity of noblemen's 
or gentlemen's residences. But where architectural or sculptured edifices cannot 
be introduced with propriety by reason of the limited space of garden, or for other 
reasons, there are other substitutes which may very well be admitted, and which 
would answer the same purpose. 
