Weekly national intelligencer. [volume] (Washington [D.C.]) 1841-1869, 1852-10-16
NATIONAL INTELLIGENCER.
FRoN AN OCCASIONAL coRREspoNDEyr
New YoRK. ocronER !, 1859

New York, OCTOBER I, 1852.
Edaors Of he National Igte,igeneer:
The Great Fair OF the American Institute is hardly
under way yet for mechanics still busy in the exhib
ton hail. opening any number Of boxes and adjusting
their contents for display Yet TO the close observer
the man who visits the show note the years improve
ment in the mechanical devices of countrymen ii
hibts much, very much rejoice the hearts of all who
desire TO the United States advance rapidly in
chancal supremacy they certainly have the read
to agricultural supremacy. In my last discoursed 70
your readers upon improvements in railroad accommoda
tons as manifested in the display this Fair My visit
of to-day induces TO continue upon the theme
for in this line thanks again the liberal and public
spirited Mr. RAY the exhibition is richer than in any
other
For the last month have journeyed here, there, and
everywhere within striking distance of this city in search
principally Of improvements bearing upon agriculture for
which have almost monomania. And in my trips |
have suffered beyond expression from the evils incident
10 railroad travelling nearly every railroad in the
country is now managed and furnished Ruined clothes
are but circumstance" the great evil being ruined
health resulting from breathing the dust cnders smoke
and carbonc acid gas incident to the atmosphere of the
car In the month have travelled thousands of miles
without going two hundred and fifty miles from New
York. and now find myself regular patient, with doc
tor who is prescribing my ailngs arising wholly from
too much railroad travelling. The symptoms in
famed eyes and eyerish lungs. Can you wonder, then,
that am most interested IN the Ray department. of the us
play of the American Institute which hardly fail to
render that in ali time hereafter railroad travel
ling is TO be free from the terrible annoyances which
now its eoncomitants
My letter Of the day before yesterday was upon the
conrvances to decrease the expense of railway carriages
sla mndo To-
day write Of the better ventilation of railway passenger
carriages.
There are at least twenty models exhibition
this end Some Of them propose to take the air into
ahead Of the engine leading in the tubes the
tops Of all the cars with feeder running down into each
until it is discharged out Of eback hinderend win
dows Of the last of the train Others propose pump
the fresh air from the bottom Of each Another plan
proposes take the air in from DETECTING ventiating
tubes placed each side Of the tender leading il into
the baggage car which is connected with the rest of the
train leach Of the train being similarly connected
with every other ear by elastic cloak thrown as
from the hind door Of the fore door Of the
next The consequence Of this arrangements necessarily
gale of wind inside Of train travelling with
speed. The plan or invention, however which evidently
most favor is the Paine ventator which is con-
structed wholly scientific principles It is already be-
ginning be used about twenty FIVE railroads and SO
far has given universal satisfaction though it is by long
odds the simplest and economical invention for the
purpose being exhibited at the Fair Having travelled
from New Haven New York a car upon which Paine's
machinery is fixed, write positively relative to its
complete success. Not Of dust annoyed the pas
sengers that car the noise heard in it at any
time great to interrupt ordinary conversation.
On searching 70 ascertain the of these effects
common with others, foreiby struck with the
markable simplicity Of the invention arrangement,
which consists in creating by leaving the win
dows which play il yerticle shaft running
through the Of each, open at angle of five de-
grees the opening being the hinder end These
ducts exhausted the OF air at the rate of GOO cubic
feet per minute injected sucked in from the top Of the
car through series Of ventlators strewed along its
whole length. Each of these is provided with wings
stretching feet each side, to catch tbs
wind as it WERE On striking these wings the wind il
sucked into tin tubes and mpnges with violence agains
water in o tank BASIN placed underneath the tubes
and sufficiently far from them to permit the air. in its
bound from the water, escape into the thu
edges Of the basn where ii is caught in conical defec
tor which instantly distributes il equally in all directions
over the heads Of the thus also avoiding thai
unpleasant and often dangerous concomtant Of most rail
way travelling-strong currents Of air a particular
portion Of the person The water in the basins little
tanks receive and retain all the cnders dust ashes and
other dsagreeable atoms usually swept into railway
as generally at present ventilated Though the wind
pure air rebounds from the surface Of the water
rshes into the car the impurities it bears along with
instantly mix with the liquid There now the Fa
some Of these little tanks brought from Northern
railways half full Of cinder dust and other Impurities
thus separated and prevented from entering the
know from experience that the plan is thoroughly
cessful and borne out in the opinion by report
the Directors Of the Hartford and New Haven Raroa
Company and by the grateful testimony of the Editors
the Courier Enquirer the Times and Tribune Of thi
city the Hartford Times and others who have travee
10 cars thus ventilated.
In addition this arrangement, this improvement co
plan Of preventing the entrance Of smoke or car
bonc acid gas into the carriage less simple and nge
NOUS The smoke preventive is merely double roof
ming the length Of the car made foot high Each
Of this chamber terminates in deHector, placed
give the air or smoke passing the top Of the
upward direction The air chamber is closed each
and opened below, just above the height of tall
standing on the platform. Experiments have prove,
that while clouds Of dust flying high the truck
and much smoke is flying the cars the atmosphere
between those points outside of the train is wenig per
fectly pure All who have stood carplatform whef
the train in rapid motion have experienced this fact
so air taken in at feet below the car roo
carries with il very little smoke indeed which, in i'm
pnging against the Sides bottom and roof Of the air
chamber before described loses It's power of locomoton
while the rushes through the tubes before described
and striking the water the tanks is made deposit
before over edoea ~