The daily union., 1852-12-30

THE sLAvETRADE TO CuBA.-The British cruisers the
coast OF Cuba have begun show signs of activity Senior
Canedo and his royal mistress will be in much trbulaton.
for great source Of their gain will be cut of great
many minded people in this country have imagined
that the saveirade reported be carried by the Span
ards in Cuba chiefly fiction OF editors and We
paper correspondents The capture by English fHgae
OF three Spanish slavers ought wake up the torpid
maginatons OF hoss who have lately regarded the Span
ish government the object OF unjust abuse by the
" filibusier'' journals
We imagine the CONSERVATION and chagrin OF the
Galatians OF Havana, upon seeing OF those English
vessels, which they lately fattered themselves
were sent out to ntimdate Yankee hlbusers," bring
three OF their slavers. prizes, into port They win,
doubiedly. be still disappointed before very long
10 the present state OF public sentiment in England the
government will be obliged redoube it's efforts pot
an end 10 the slavetrade 10 Cuba and the destruction
OF this trade will be important aid TO the emancipation
OF the Cuban from the Spanish yoke
Without this trade the island will be OF far less value
TO Spain than il is at present The Queen mother will
lose large revenue and the captains general viii
find so easy fortunes for themselves Many
Spaniards who potential in the government,
rather misgovenmen Of the island, viii be deprived OF
those gains which stimulate their loyalty while the
revolutionary feelings OF the Cubans will be strengthened
Their position for revolution will also be greatly i'm
proved rhe threat of beratng and armng the slaves will
bans fear, but the imporaons, whose sense OF re-
vengs and thirst for blood active and ndiserm-
mating The old slaves would be more likely TO revolt
with their Cuban masters than against them.
Under such circumstances as the destruction OF the
save-trade must produce Spain would soon become will
ing 10 cede the island the United States for liberal
consideration. We therefore regard every step made in
the abolition Of the abominsble traffic which makes Gu
ba valuable 10 Spain, step towards The acquisition OF
the island by the United Staies--N Y. San
MARBLrnED RoS.-The application to metals and
other substances OF newly-invened marble imitation
having all the beauty and variety OF sutfsce which mar
bic Itself exhibits, promises 10 become an important
BRANCH OF the mechanic arts Maotes, sble-tops, col
umns &c, initiated with such exaetness as TO render
the difference mpercepthe TO the uupractsed eve Es-
tmaies are now making for the construction OF marble
lied iron houseronts The finest varieties Of marble
such Egyptian, Sienna, broca,ee, agate, Pyrenese
&c, are initiated with equal facility, and The process will
ultimately be applied inda-rubber and gutia percha
has been, TO great variety Of purposes Curiosity led
vs. day of two ago, into the extensive mauufscory OF
The marble iron works in Cherry street. which is largely
engaged in this business Though hnt recently organ
zed, iheir orders exceed the ability OF tho works Six
" are nj present employed and an enlargement is
TO be made shortly which will increase the number TO
about 200. Attention is now chiefly given to the
Eannlshlure OF marble manels II very recently that
the manufacture OF table and bureau tops, columns for
dividing palors, satuary, aad like acles has been al
tempted We noticed Sienna able-iop, about FIVE and
hall By three feet Tor the new steamer Princess run
hhk nciNtfH hh CITY anu view Jersey, winch ~ an eK-
qnslte piece of orkmansbIp The marble thus imita-
ted is susceptible Of The highest polish amounting almost
to transparency, and geenng % exhibit the crystalline
and venous structure OF The real stone II is valuable
fof its mperisbsbe qualities, being OF hinty hardness
capable Of long resisting the action Of the weather and
wihstandng degree Of heat that would prove destfuc
uge 70 marble To secure the latter quality, was the re-
sult Of long experiment BY Mr. Deming, the supernend-
ent OF the marbng department Of the works, who first
introduced this discovery 10 the public demonstrating it's
utility and value. The marbleized iron has sufficient
ductly 70 expand OF contract 10 the degree the
iron base. lie cost - much less than that OF the first
qualities of marble
The manufacturing process is kept secret though il
may be generally described ss follows The iron serving
as base y first coated with a peculiar mineral sub
stance. This combines with the mafbling material,
which y next applied forming body 10 receive The vein.
ing and crystals These produced in close imitation
oi nature, and the desired style OF imitation is determined
BY The will Of the artist The coors are then brought
put oy the action OF heat ~ FURNACE After the iron
has cooled the surface s rubbed The latter process Il
repeated SIX tines when the faa polish is given Ele
CANT mantes thus made being introduced into many
hsteass houses The usual cost is s35 to sl5 Charles
CrosoS, esq, ~ secretary Of the company.
lJoarnd Of COmmsra