110 
Description of a Stove, 
neglected? as soon as the stove has been heated so as to 
have lost all its internal dampness. 
The door of this sort of blower? or air-vent? ought to 
shut very close. For this purpose it is sufficient? to cut 
a piece of brick of the proper size? to make a hole in it 
to receive a handle? and to fasten upon it a piece of plate 
iron projecting a little all round it. 
Fig. 5, Plan at the height of the line E F? fig. i . 
Fig. 6. Transverse section at the line GH of tig. 3? 
which shews the height of the fire-place? and the first di- 
rection of the flame. 
Y points out the arrangement of the heat pipes. 
The dotted lines give the profile of the party walls? 
which form the four grand circulating pipes. 
11 the pipe which conveys the smoke from the circula- 
tory pipes into the chimney? and in which is the register 
that cuts off the communication. It is a common stove 
tunnel of plate iron ; hut it would be better to use a sub- 
stance more slowly conducting heat? as an earthen tube 
made on purpose? for that part in which the slider or stop 
plate acts. 
The elbow made by this pipe to reach the chimney - 
renders it unnecessary to repeat? that it is a point of the 
first importance for the body of the stove to be completely 
separate from the walk That which I have described is 
25 centimetres (about 9 inches) distant from the nearest 
point of the nidi in which it is placed. 
S is an elongation of the perpendicular pipe that enters 
into the chimney. It is intended to receive the water that 
might condense in the upper part? to prevent it from get- 
ting into the stove. The cap at the end of this. elongation 
allows the pipe to he cleaned without taking it down. 
The dotted lines forming the square space Q mark a 
place where a nicli may he made? or a sort of little stove? 
as is done in some of the Swedish stoves, and would ad- 
