New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1857-01-06


voujd net cruelty nar the sfee Of ths report oy ID
auirirr INTO the nature of The non Manufactured ~hsn
thee nile. were driven; b. st the ees thus Esetseo
Of making steel may not prove very atirsco's io-
ye,.n.pt for capital for the pss were p<oesoiy 'oe
,,u. heouer,ly referred 10 10 prove the immense auf~
bi;ty Of wood when completely nnnsr.ed N water
bsypg been driven We think, according TO tie osss
accounts about the year A. d. AZ.
NovIL PRoPILLIR ESGIsEs.-Ihere are now DC
ire completed in this city two icre" proPeae"' ue
,iored 10 navigate the Sound, the bulls OF both OF
,b;eh ere from the same mods, but the engines OF
which although designed TO be Of equal power are as
di,siular a. can well be imagined. The boilers OF
the two vessels precisely similar 40 that ther per-
Torrance VII involve only the superiority Of either en-
zine. over those of e.ch other and Of proPeers gen
orally. TIE Osprey, propeller ply ns between THIS
city and Proyidence-one Of the tastes; and best OF
this class Of vessels in wstersis the model AFTER
which both Of these are drafted but the boat, sre
a few feet longer. Taking the Osprey, which has or
dinsIy direct acting engines, into the account we shl
coon have three styles Of engines IN scientifically eI-
AZ, connection with each other. The length on deck
Of the new ve,tes leo feet the breadth Of beam,
IS, feet, and the depth Of hold 10 feet.
The Cu1lev. one Of the new boats, is Intended
TO run between this city and Providence, K l., and
/. en.ireered BY NJ. Geo. II. Corliss of the latter
cty-the most successful designer Of 'atio"ary en-
gines who has yet embarked 10 the business. She
hs. two engines standing upright in such position
hst the propeller sh.h passes through the narrow
,psce between them The psops ornected to arms
on two separate stout shafts ,ng nearly side by sde
overhead ard longer arms on these at their e1trei
tee are connected TO the sing gle crank on the END OF t
| r,cn,ler .haA. Steam is admitted from tie boiler
is
iveIv by means Of peculiar valves and valve motions
The Rotary" intended between this cry aud
| Ney-Be dford Mass as the frst Of new line, is
sinly engineered by Mr.. Ebenezer Bsrrows Of this
| city, CT extremely ingenious and eminently succeaul
inyentr and is furnished with two compact aud eco
nomical rotary engines, Of style patented by him in
1854 and Ell tested in several smaller examples one
Of which was small steamer employed on the coast
| survey. The two engines on the same SHAFT and
are Of equal size but arranged that half the steam
employed in driving the frst engine goes into and aids
in driving the second ritI0u in he least -edritng the
action Of tie fra that whatever power is derived
or the second engine and above the extra fric
ten involved is so much clearly sdded TO the perform
ance due TO the fret. With this exception the steam
is not to be worked eIpansively, as 10 "cut-of Is
| employed, but each engine-which, BY the way, may
be worked independently Of the other should occasion
| require it--revolves with continuous and equal de-
degree Of force. The great pressure of the steam,
which usually so destructive and fatal 10 rotary
| gines If, in this invention, perfectly balanced aud
company has been formed to introduce this style Of
engine on quite extensive scale if this experiment
| proves tuccessfu. Both vessels receiving their
boilers and machinery the foot of Fourteenth street.
North River. The Curew is nearly ready for service
bot the Rotary has been launched but about one
week. Both styles IL should be remarked intended
10 be low pressure or cOndensing engines, and tue
friendly rivalry which induced the parties to adapt
their designs to precisely similar circumstances will
| give a very file opportunity to compare the workings
Of Whist from prev long acquaintance with all the
perties we believe viii prove the best forms Of both
the reciprocapg and rotary engine for such purposes
| PERcI's PInPITUAL CALIsDAR.-The best calen'
oar We have yet seen has just appeared on penc-cases
and wooden cylinders. II has revolving part, by
turning which the day Of the month or Of the week
respectively, may be ascereined in q moment for any
year this any other century Its merit consists IN
| the ease with which il can be learned and operated,
and the absence Of any necessity for other knowledge
| or for Dominica letters, or the ike. The inventor
Mr. T.. s. Pierce Of Owego, n. Y.
marble PAnT.-M. Claudots discovery for the
| formation Of coating of marble on the surfaces OF
buildings continues to attract attention in foreign Jour
male and honored with verbose scientific descriptions.
The whole can BE- very much shortened by using the
| simple term whtewasb." 1t is generally understood
that hy drate Of lime Stacked lime when used either
as mortar or whitewash absorbs carbonc acii from
the atmosphere and changes back again into kind of
imperfect limestone it hsTders but white wash made
according to the directsns for this natural marble
paint la. in this country proved perfectly insol
| utle, but mostly washes of in few months The
siv lau
"on and finch square yard in houl whitenes
would tenn that certainly very reasonable eIpects-
ton. An apparently much superior method Of protect
ing porous stone buildings from the gradual destruc
tion to which they are subject has been tested with
great success ct Paris, and unlike the other, appears
TO attract lees attention than it deserves. In this
method, shcate Of potash lie the agent avaied Of By
eat heat q parts Of clean white sand is united with
part Of Iotash, and the resulting sicae, which
NAY be described kind Of soluble glass, IS then
completely dissolved in about light times It's weight Of
| boiling water. The walls 10 be preserved are then
scTaped clean, and the fluid applied with syringe,
every few hours for three four days, until the
surface when dry refuses 70 absorb any more. The
color Of the tone is not materially changed If the Ope
ration is perfectly conducted, and it is stated that
repetition OF the operation after the lapse Of
twelyemonth results in slight additional
ABSORPTION Of The fluid AFTER which the pores OF tue
stope being completely filed by material which is
irsouble IN water at any ordinary temperatures the
stoDe will probably remain absolutely unchanged for
en- indefinite period. Several attempts have been
made to prepare and spply thi. wash in Great Britain
and in own country, bat with very little success.
The material worked according TO the directions bat
the ST. cate Of Potash does not res1lt. or if so
fuses to perform ACCORDING TO the programme. 1t may
-. IL.