_or stoves which afford heat and light on an economical plan_.

The author of this invention, for which a patent has been obtained,
is M. LEBON, an engineer of bridges and highways. The place of
exhibition was the ground floor of one of the large hotels in the
_Faubourg St. Germain_, on which was a suite of rooms, extremely
favourable for displaying the effect of this new method of lighting
and warming apartments.

In lieu of fire or candle, on the chimney stood a large crystal
globe, in which appeared a bright and clear flame diffusing a very
agreeable heat; and on different pieces of furniture were placed
candlesticks with metal candles, from the top of each of which issued
a steady light, like that of a lamp burning with spirits of wine.
These different receptacles were supplied with inflammable gas by
means of tubes communicating with an apparatus underneath. By this
contrivance, in short, all the apartments were warmed very
comfortably, and illuminated in a brilliant manner.

On consulting M. LEBON, he communicated to me the following
observations: "You may have remarked," said he, "in sitting before a
fire, that wood sometimes burns without flame, but with much smoke,
and then you experience little heat, sometimes with flame, but with
little smoke, and then you find much warmth. You may have remarked
too, that ill-made charcoal emits smoke; it is, on that account,
susceptible of flaming again; and the characteristic difference
between wood and charcoal is, that the latter has lost, together with
its smoke, the principle and aliment of flame, without which you
obtain but little heat. Experience next informs us, that this portion
of smoke, the aliment of flame, is not an oily vapour condensable by