64 DESCRIPTION or a 
ney a draft downwards, when if you attempt to kindle a 
fire, the {moke will come into the room. 
But to be certain of your proper time, hold a fhe over 
the air-hole at the top. If the flame is drawn ftrongly 
down for a continuance, without whiffling, you may be- 
gin to kindle a fire. 
Firft put in a few charcoals on the grate H. 
Lay iome {mall fticks on the charcoals, 
Lay fome pieces of paper on the fticks, 
Kindle the paper with a candle, 
Then fhut down the top, and the air will pafs down 
through the air-hole, blow the flame of the paper down 
through the fticks, kindle them, and their flame pafling 
lower, kindles the charcoal. 
When the charcoal is well kindled, lay on it the fea- 
coals, obferving not to choak the fire by putting on too 
much at firft. 
The flame defcending through the hole in the bottom 
of the vafe, and that in plate D into the box C paffes down 
farther through the grate W W in plate B 1, then pafles 
horizontally towards the back of the chimney ; there di- 
viding, and turning to the right and left, one part of it 
' paffes round the far end of the partition 2, then coming 
forward it turns round the near end of partition 1, then 
moving backward it arrives at the opening into the bottom 
of one of the upright corner funnels behind the niche, 
through which it afcends into the chimney, thus heating 
that half of the box and that fide of the niche. The other 
part of the divided flame paffes round the far end of par- 
tition 3, round the near end of partition 4, and fo into 
and up the other corner funnel, thus heating the other 
half of the box, and the other fide of the niche. The vafe 
itfelf, and the box C will alfo be very hot, and the air 
furrounding them being heated, and rifing, as it cannot 
get into the chimney, it fpreads in the room, colder air 
fucceeding 
