Richmond enquirer. [volume] (Richmond, Va.) 1815-1867, 1842-04-12
iilt. ESPY.

six. ESPY
This gentleman delivered The first Lecture Of his se-
rics on Saturday night 20 numerous and respectable
audience His manner is impressive his language is
clear-and his theory strongly supported by the inter
esng facts which he dcvelopes.
Mr., Espy has Just returned from Norfolk, which he
was requested BY the Secretary of the Navy TO visit,
for the purpose Of putting into practice of his sim
pe vet useful Inventions 1t intended to clear the
sbips of the T. s. from their foul air. The result is
stated in the following Expose. We are pleased to
have the opportunity of making it public:
Espys Conicai FtnGiator.
This is con,rivance which effects the following
highly important purposes 1t prevents all chnneys
from, smoking which smoke only when The wind blows
II draws out all the foul mir from the hold of ps when
the wind blows TO the amount OF several hundred
thousand gallons an hour, when there is fresh breeze
II yentilaes hospitals coal mines, and all places sub
;ect In foul air and keeps them entirely pure. IL IN
creases the draft Of locomotives ano steamboats,, espe
collv with head wind 1t has lately been put on one
ne The cbimneys of the IT, S. Senate Chamber, and 1t
onrears when all the other chimncys puff down the
smoke and ashes into the Chamber, rs they do some
times when the wind blows the one furnished with the
veniilator produces efat upward, st'o"Ss' 40 'hs
wind increases in force
When put on the ship of war, the Pennsy wanna al
Norfolk it drew up balls of cotton from the hold and
posscd them through canvass bag feet IN diameter
md 40 fee; ling to the deck in seconds thus proving
,h,, The whole of the air in the ship would, with fresh
breeze be changed many times a day. We have seen
certificate Of the Commodore of the station, Sbubrck,
speaking oftIe "grea Importance OF this discovery TO
ships of war in preserving the tmbers from decay and
the crews from disease.
Mr. Esny also invented n means for extracting foul
air from shi~s and mines and in time Of calm; and 1t
was found that even stronger current OF air could be
made to run up the bag by the power of single
man than existed in the former with a breeze,
such current as would carry up silk hanckerch'eis,
and even hats We have not seen description OF TINS
machine br We understand it will cost only few dol
lars We haze seen letter from Capt Skinner o' Tie
peonsyvania, to Mr. Esry. written after The Conca'
VentiIator had proved itself successful in time ot a
breeze, stating to Mr. Espy the immense additional ad-
y, he would confer the navy if he won'd make
conryancc, which would be equally efficient in draw.
ins out the foul mir in time of Gains. The same slate
ment was made by Commodore Shubrick. AS soon as
the want was known Mr.. Espy was ready TO supply It;
the machine was accordingly made, and proved to be
triumphantly successful.
we think cannot fail TO give the Secretary of the
NAVY great pleasure learn that in the short space of
few weeks Mr. Espy has rendered 10 The Navy such
important services, much greater than was anticipated
when he left Washington for Norfolk.
If the Government will grant 10 Mr. Espy, one
third of the money, which any three impartial men will
saw The United States will by these discoveries in
ID years. Mr. Espy will be put completely at his ease,
and be enabled to prosecute the investigation ct his
great subject, the investigation of storms, during the
rest of his days, without further embarrassment Fat
jastta