New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1865-10-07
value of this arrangement. will DO appreciated by eng


lathe which is quite curious and interesting those
with such work
A CIRCULAR LOOM
for weaving the ornamental covering OF cnrtan cords
is exceedingly ingenious and curious. Few persons
even among those generally well acquainted with ma
chnery conversant with this species OF manufac
ture and TO all who are not whether personally inter
ested in such matters otherwise the operation OF
this machine is well worthy their attention for few
minutes.
An improved
COTTON GIN
and condenser is exhibited by III. II. Emery. Mr..
Emery claims peculiarly formed tooth to the saws OF
his GIN which present sharp edge TO cut the cotton
also convenient method of adjusting these saws to
adapt them for longer shorter staple cotton also an
arrangement for gathering the cotton IRON tue gan.
and COMPRISING II into sort of lap or batting which
is much more convenient for packing than tie ordinary
way of delivering the cotton loose into the storeroo
VIM. III. Uoag exbibitsa
HAND SAVING MACHINE
and combination scroll saw. which would appear to be
very useful and convenient apparatus FOR carpenter
or cabinet maker. With this machine one man or a
strong boy rip twoinch piece of hard wood or
threelncb pine plank, in half the time that would be
required TO do il with ordinary hand saw and the
machine is seffceding, no marking or lining OF the
stuff is required and the most inexperienced workman
can saw as true and straight as the most skillfui
just across the aisle and side by side with each other
stand two of the most important and ingenious novelties
TO be found in the whole exhibition ana one or Doih OF
which will probably exercise as much influence ON me.
chanic arts in the next few years as any inventions OF
the time We refer TO two new and decidedly novel
designs Of steam engines known respectively ~ the
HICKS FOUR-cYINDEg ENGINE AND THE ROOT
DoUBLE-PIsTON SQUARE ENGINE.
Both these engines aim TO comprise all the advant.
ages and capabilities Of the best engines made in the
ordinary STYLE while dispensing with a very large part
of their complications and disadvantages. Both OF
them claim, and apparently have achieved, among
Others the following important advantages over the
ordinary styles Of steamenginc Great economy In
price space and weight great reduction of friction.
and consequent economy OF steam: simplicity of
nftn and fnus
transportation; avoidance Of any dead points and
consequent regularity and steadiness OF motion under
al circumstances, and more complete utilizing OF the
available power of the steam. The Hicks engine has
already been fully described in these columns aud our
space will not allow US 70 repeat the description here
The Root Engine. aiming to achieve the same points
as the Hicks does IN entirely different manner,
and although its construction Is really very simple and
easily comprehended on examination yet 1t differs 80
materially from all ordinary tyles as to render 1t some
what difficult to describe. We would, however.
earnestly cali the attention OF all persons interested in
the Of steam power these two inventions leaving
for them 10 decide upon the comparative merits oil each
STEAM BoILERs.
From steam engines naturally pass 10 steam boil
ers of which three novelties in style are presented
The first Of these Is the now somewhat noted Dckers0n
boiler Of which two specimens are exhibited by the
New York Steam Engine Works at the extreme east
end of the engine hail The merits OF this boiler are
probably too well known TO scientific men to need a
william ID. Andrews exhibits at the other end of the
Same hall three boilers intended 10 combine the advant
yes of the ordinary locomotive boiler with those Of a
return.ue boiler set in brick work IN the usual way
These boilers supply the steam TO most OF the engines
and steam pumps IN the main hall
But by far the most novel and ingenious feature OF
this portion Of the exhibition is style exhibited 10y X
W. & ID. Davis Of No. Sprucest 1t Ii called the
Duplex boiler and IL as It's name imports really
Double boiler the inner being nclosed within the
outer Ii il an upright boiler and the outer one is in
ality simply shell or water jacket OF perhaps six inches
in thickness and having large ue extending entirely
through It, within which the inner boiler is placed so
to leave fire space between the two that is inside the
outer boiler and outside the inner one. Inside OF each
boiler and next the FIRE surface placed shirt formed
Of sheet Of copper, corrugated lenghwise 80 as 10
form q series Of tubes in each boiler next the ire
face. The action OF the heat induces steady how OF
water through these tubes, and the water being gradu
ally heated is formed into steam at the top OF the boiler
instead of at the bottom as in ordinary cases. by this
arrangement the Objectionable and dangerous action Of
the water called foamng. 10 which all other boilers
and especially upright ones. are peculiarly liable.
prevented. and the steam is delivered 70 tho engine
perfectly dry The great extent Of fire surface
pared with the exterior bulk Of the boiler secured by
Mr. Daviss arrangement must make 1t exceedingly
economcal We should have mentioned that the into
ror boiler Is also supplied with tubes like those Of To-
coOtve except that they do not extend through The
boiler but only to the top Of the water being closed at
the top and open into the IRE chamber thereby forming
OF hot air and gases into the very center Of
the largest mas Of alter. The sample boiler eYhi
btiou Is placed close 10 the Hicks and Root engines
and should by means be overlooked by those inter
ested either in the scientific practical use VI steam
One more item in this department, and We will pass
10 some other matters William L. Dodge exhibits AT
the western extremity OF the hail. hand. suction and
force DUMP which for simplicity Of construction. dura
bty and general effectiveness. snrpasses anything OF
this kind which we have seen The entire machine Il
comprised In three castings put together by perfectly
plain Joints having metal valve seats and metallic ball
valves which do not become worn or leaky 10y use.
The mir chamber is placed directly over the cylinder
and the leakage Of air through the siuDg box ~ pre-
vented By nclosing the pistonrod In ught tuoe ei
tending down TO the cylinder.
But enough Of machinery for tie present. While we
examine for few moments some OF the other objects on
interest in the room.
]. Debeaunais exhibits a fue case Of steam and
vacuum gauges baroIneters and thermometers Among
them two styles Of the latter instruments, III
which the changes Of the mercury are indicated BY an
index on IA dial . more convenient and probably more
accurate method than that commonly IN use
THE MONITOR
steam cooking apparatus which Is exhibited at the
western end ~ this hall Is queer coniriyanee IL
consists Of set Of dishes cooking utensils Of an
frsnt shapes and sizes all formed Of coils oil small Pp
carefully soldered together The article TO be cooked
is placed In its appropriate dish and steam IL aduted
into and through the coils OF pipe, thus thoroughly and
exceenly cooking II. without possibility OF burning
the degree 81 heat being perfectly and constantly under
the control OF the operator FOR hotels ies'a s nm
valuable arrangement
THE sELF-PAsIESISG BUTTON
10 an ingenious arrang cement by which buttons may be
attached TO any garment without the use OF needle and
thread. The appearance Of the button, when thus
fastened, il excellent always standing straight and
ATn anu never hanging nan loose IRON tno Bhinenl
The important feature Of the invention. however H.
that the buttons can be instantly removed at will, and
replaced by others themselves returned 10 the same
places according to the fancy Of the wearer, without
detrLIent to the fabric. Ladies will appreciate the
convenience Of having several different sets Of buttons
for tho same garment which can be readily changed
70 suit the occasion. On garments which require ffe
quent washing. they will be found especially con
venient.'
Julius Ives Co. exhibit large number OF styles Of
IVES PATENT LAMP for burning petroleum. These lamps
can be filled trimmed lighted or ertinguished without
removing the shade or chimney. All persons who have
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