New-York tribune., 1870-01-08

and uniting them 10 serve ~ tho Of oxygen 70
very small proportion is capable profound
physiological results, IL tho air thus cOntanihaeu 10
breatbed for a considerable period OF time ,.o
1t Is very common opinion that oarbonc acid Is the
most serious vltatOr OF the but II we nvesgao ne
relation Of carbonic oxide to dad that In rooms
warmed by stoves and furnaces the latter gas pOoaDB
the majOrity OF Instances the cliief onput rol,
though metallic IRON Is almost inpervous 70 tins gas at
ordinary temperatures it allows - passage Ike water
through sieve when the Temperature Is Isea az , tU
Winter and II necessarily follows
that whenever crbOuie oxide is produced II must eseac
through the iron ana gain access TO he ar OF he m
ment unless employ proper lining OF soaatonr OF
some material winch shall keep the metal at lo"ei 'eH
perature
The gas to which your attention IL called ozone
Its properties similar TO those of oxygen ana u IL IN
reality modified active form OF that element, pos,
sessiDg the power OF uniting Tth many Eup,us ~ ~ t ge
have SEEN requires the heat to be raised to the point oi
ignition. lis presence Is deiermined by lts ACTION upoi ~
paper that has been dipped 10 an aqueous s, "
starch aud iOdde OF potassium rms ~ turns ~ iIoln
white blue brown color, according as IL Is more OF
less concentrated Owing to its active oxydzing poMer
ozone valuable disnfectant, shce IL can
nOxious gases and yapOrs converting them into harmless
bodies and there s good reason Tor snppoSing taa e
purity OF the air after thunder Is IN part owing
to the conversion OF portion o s
II has been stated that some epideinics, ol Wnus
cholera is an example reach thelr ott TON ., fbc iT
maignancy when ozone has dsappeaIe9 m ,ion .u or, ,
that the decline of the epdcmic and us dsappest
marked by the reappeafance OF ozone ia ~
districts il Is nearly always present WINE ~ tno ~
of large cities 10 ia almost uniformly absent W
cmnuntions that prevail in these localities. Since ozone
very irritating to the respiratory organs u mas Det
ar is in ali probability due the occurrence Of
a wind highly charged win TINS gas ~ ccitai1 -, -
plausible equalization NJ the manner IN winch ihhel]h
will single night attack half the inhabitants Oh
n is well o,eertained and ndubtahle fact that under
the influence OF sunlight green plants decompos9 car
bOni0 acid aud set oxygen gas ree Inns y geheIIy ~
have shown that If the gas dissolved in water Is carefully
removed before the plant is introduced even though car
not dec"mp6se II m the light until the water is again
charged with air There Is, therefore, some probaOln
that the decomposition OF carbonc acd py plants s ue @
direct Dut an mutt Ib tynia nr nor il at least
affords highly interesting aud instructive held OF m
quiry that promises rich reward to those VINO c'ec' u
reap therein .
Nitric acid IL only found after storms that nave beeh
attended 10y VIVID flashes Of lightning II Is ol hl'le n-
The ammonia in the afr one Of the products OF putre-
faction and decay ~ occurs IN largest quantity wherever
these changes are taking place minute trace l. always
dscOverbc, but small II is 1t bears an important re-
atnn to the vegetable Kingdom, since ~ Is thg hatula'
stimuaut OF the growth of plants one OF the character
istic properties Of this substance Is its exceeding sonO
ity IN water, as Is shown py me tI % in
that dcscends after prOraeted drOuih SEXES upon e
accuuu lated ammonia in the air, and conveying ~ 10
plants produces the increased richness O NeIuu'e ''
OF the variable ingredients Of the air the vapor Of
water is liable To the greatest mutations These are
more less familiar 10 US in te logs ana CLOUDS tat ~
near and dsappear without visible cause or reason. In
addition 10 the ogke state the vapOr OF water also pos
sesses cOlOrlcss transparent condition as III te eAei
ment we have arranged M which water is boiling in
Ask The interior OF the vessel is OF course, filled with
steam or yapor OF water but IL Is as Invisible as he
otmosnherie air 10 Is only when it issues from the
i hat il nrescuts the fugke condition. II place
thermometer I'm this issuing eloud the temperature is
below tLe boiling point OF water; and II We let the
steam fan on slip glass and place under the micro
scope discover that the glass Is covered with minute
yescles or badders Of water. We therefore conclude
that the fOgke appearance Is not steam but condensed
water steam being colOress and invisible, as We
have first demonstrated In its physiological relations.
the vapOr in the air facts OF interest
It is a weestabshcd law thai the rate Of yap0rzatoh
dependent upon the amount OF yapOr already existing
IN "A given space When, therefore the air Is satu'
rated, as might say, with aqueous yapor, the es-
cape of the Insensibe perspauon or vapCr from the
lungs and skin interfercd with and the slightest
muscular cNertOn is attended WIN copIous NOW VI
ordinary huid perspratlon tne system eIP at'eemIP,.
ing in this manner 10 throw OIL the heat resulting
from The oxidation REQUIRED TO produce the mScua Ii
on another day when the day Is dry or e amount
OF moisture below the point OF saturatl0n great mus
cular effort may produce but little visible perspiraton
even though the thermometer Indicates higher temper
ature. IN this yapOizatOn from the Dody has Det
cOpous and sufficient 10 carry on the neat as last as IL
produced and tie full cooling elect ot the process
D''' sULrnURErED HYDROGEN, D.. -.
Sulphureted hydrogen Is the most offensive to the
senses all the compoDcnts Of the air Like the othef
sesslng an OdOr which may be described as rtsehDug
emitted by an egg In an advanced state OF putfiaG
ton This property, by indicating It's presence, generally
protects rs frou evil effects. Aud eyon when the pro-
~ ZOO tnInute TO affect the sense OF SMELL we may
Still detect it by Its 0clion On various metallic com
hounds some which, the carbonate OF Lead are en-
oyed in e painting OF woodwork In illustration Of this
property the gas as II evolved from suitable appa
ratIs is passed through various solutions Of metallic
salts when as YOU perceive, the metallic sulphdes are
thrown down, or IN chemical pailanee, pIeSlpA'T as
solids different and sometimes brilliant cQOrs In Tue
ease lead salt the precpate Is black explaining
daTkeuing that occurs IN ICad pants NAeh they
are exposed to the continued action OF this gas.
In its Psychological relation, sulphureted hydrogen is
n narcotic poison and endowed with energy even when
the proportion very small IL acts on the iron OF the
blood disc darkenng " did the iron salt III yonder
vessel and destroying the power or the dsc 10 perform
function, produces cumulative eject as was inc
case with CarbOniC oxide.
The corpuscles or floating cells in the air. Of many
different kinds. some OF the germs Ol cryptogamc ana
forms Of plant lfe aud there Is but little doubt
mar many of the dsca called contagious conveyed
by corpu germs which attach themselves 10 the
dancing IN ;he pain Of sunbeam ahI
freight them with poison Whlch, Wheh Introduced
into the respiratory apparatus OF some unfortunate cre
the disease from which II was born
CONCLUSION.
The last Of the constituents OF the air indicated IN our
tables the vapOrs with which 1t Is charged. These
are pleasant and agreeable sthe with
the emauatlOns from the great majority OF howers.
But what shall of the vile odors from the Kitchen
aud laundry that meet nOstrs we cross the tfeh
Ods many houses IL has been suggested that on the
walls G our apartments there lie concealed the impress
sioRs of all the shadows that have fallen on them
and that perhaps day learn how to evolve
them, as we do those that have fallen on photo
small hope OF It's being realized, unless We first seek
and discover the OF exercising the papabe ghosts
many dinners that the walls so thcky that even
be who calculated how many angels could dance the
noint OF needle would fail to number them
Aroma from fine wines and costly spices rlch
ard finley enanatiOns from yands, roasted boiled, aud
baked Odors strong aud enetratiug from vegetables
delicate and delicious from fruits and nOwcrs-thcro
the shadOwy forms that passing bgures nave cast Inc
immateria being lost In the material VINO sha attempt
their separation!