Lamoille newsdealer. [volume] (Hyde Park, Vt.) 1860-1877, 1874-11-25

APJssi5,e Illr9gslaal.ln a,ise
Heating, esesbaa .,sI


AT this delightful season Of genial SUI
shine and crisp cpel air, We have dali
illustration of perfect, because healthfi
aud Intensely enjoyable. heating. Will
the lungs are RECALLED with an aimospher
which seems TO stimulate every pleasure
bic sense aud activity Of the body, III
sunshine warns without expressing, an
heightens our enjoyment Of the sparkin
air by force Of contrast. Ii we coul,
immitate-much more If We could rerro
duce--the same conditions indoors, it j
obvious that the perfection of honse beat
ing would be attained. Can either b,
dooe es IS. h.
First, let us notice what The
what the conditions are, on sunshiny
day Of fall or early winter, that Is. The
conditions which combine to make such
weather so refreshing. Pure air is prac'
iica!ly transparent 10 radient heat. IL
summei time, the higa temperature of.he
air comes as an Indirect effect OF the
heat of the sun. Tho sun rays heat the
earth ard the objects CD the surface, aud
these, by contract or otherwise, heat the
uir. In the fall, Iheperiod Of daily sun
shine is briefer and the sun rays fall more
obliquely. The ground is heated less,
and the nightly periods of radiation are
proportionally longer. The air in ccnse.
quence remains cool throughout the day.
Nevertheless, whom the sun rays strike
our bodies and are absorbed, their heat.
ing power is almost az great as in summer.
gviu, us the Simultaneous sensation Of
vivifying warmth with delicious GOODNESS
in air we breathe. Pass indoors from
such all atmosphere to that Of II furnace
heated house. How great the charge!
The air seems sitting and though the
temperature Of the room, as recorded by
the thermometer, is much higher than that
outdoors, the pleasant glow which was
felt in the sunshine soon gives place to an
extreme constituencies to chill. Sit near
wall or window. and an unpleasant cool
ness crecps up the back, as though cold
wind we're blowing across il, and we look
for draft, though the air is unotinnless.
The conditions Of perfect heating have
been reversed. Tho air is at dog days
heat. The walls and furniture are cold.
The bodily heat is depressed by breathing
the hot air, yet streams of heat must flow
cut from US in ali directions TO make up
the deficiencies of surroaduins objects.
Tho Thermometer may declare that such
II room is warm, but every nerve declares
that it is not comfortable. Substitute for
the furnace an open fireplace With blaz.
ing fire. An approach is made toward
perfect heating The radiant heat passes
like sunshine through the air without heat.
ing it; and if the fire is so placed that
its radiatious implnge on considerable
area Of the enclosing walls. tlle walls Will
be warmed as they cannot be by hot air;
the furniture will be warmed in like man.
ner, and the occupants Of the room viii
enjoy the cheerful influence OF live heat
while having sufficiently cool air, TO
breathe. The great expense and incon.
venience att ending oper fires must ever
greatly restlct their general use. g Only
about one tenth Of the heating power OF
fuel is developed by ITS combustion ia an
ordinary fireplace. andsmuch of that
escapes unused. Besides. to heata room
of considerable size uniformly, it would
be necessary to have an open fire at each
corner; an arrangement MOTTO be tolcra-
ted as matter Of economy.
10 burn fuel economically, it is naces.
sary to burn it centrally and in mass. The
coal that would supply a number of sepa-
rate fires would furnish an immensely
greater amount Of heat if burned in
single fvrnace, fact more orless recog-
nizsd in every contrivsnce for heating
houses by hot air, hot water, or steam.
But in all such arrangements it is deemed
essential to distribute, not heat directly,
but matter more Or less highly heated. In
other words, we 6rst heat ourair or wa
ter, and trust 10 the cooling Of that to
furnish the heat required, overlooking tue
we'll known fact that heat 7-illiravel alone
quite as well Is 10 company, and tina, it
can be much more easily controlled than
air or water. -
Radiant heat, the sort required for
perfect heating, obeys the same laws as
light. by proper arrangements of rehcc.
tors and lenses, heat radiations can be
massed iuto beams Of parallel. rays and
sent where we will. with little or no vast.
ing. 1t is not until the radiations are ar.
rested that they become manifest as heat;
fact put to practical use two thousand
years ago. when Afchinledss burnt the
feet off Syracuse with mirrors. A stream