New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1853-07-29
THE EXHIBI TION
AT THE
CRYSTAL PALACE.
IN-ELECTROTYPE ARTICLES.

In the French Department, on the ground door. Is
the fine collection of Porcelain and Glass of Lshoche
Of the Palais Roy Paris As the French National
Collection OF Sevres has not yet been opened the dis
play of Lshoche will allow the admirer of good and
antique porcelain opportunity Of seeing several sr,
ces from that Government Maaufactory. The sPeci-
mems Of clocks, lamps and candelabras in Porcelain
without rival in the Exhibition There is Porcelain
Saver, gilt and painted with the likeness of Henry ".
and the nctsblties of his family down 10 the present
Count Cbsmbord. This is very beautifully executed.
There is also very fine center table piece arranged for
lamp and candle for psrlor hall various designs Of
lamps and csndesbTss very pretty clock snd lamp ia
which the hours are arranged the edge OF turning
table In the article Of ornamental smPs of Porcelain
ware the collection Of LahOcie exces besides vases
snd the articles described there is rich modern Tea
Service in coored Porcelain Dinner Service OF
white. green and gold and Fruit and Flower Service
Of fine and execution. II is in these later parcu-
lars that this collection is worth the visitors attention
LahOche is ali artist rather than a manufacturer He
designs patterns and ornamentaons in bis a,etier at
Paris applies them white porcelain fabricated
at Seyres or elsewhere and for his excellence in this
department he has obtained not only Council medal
from tie London Exhibition, but distinctions from That
Of France and other European nations,
The porcelain exhibited here is Of the hard kind
that which has been subjected to more intense heat than
the English ware and has not the fIsble bone sdmix
ture Such is the Sevres of the last % years The
difficulties which attend the manufacture Of colorej AMI
ornamented porcelain very great. The various com
bnatOus ofmetaic oxides volatile and Others not
the proper exhibition of the necessary heat the careful
selection of fuIes suitable 20 the ornamental ware. all
require the abors Of the chemist and the skill OF the
vorkmen TO 20 hand in hand to produce beautiful re-
suit The successful attempts to initiate nature, the
formation OF gems and artificial stones OF the same
beauty and value and there presented by the hands OF
inc and terrestrial heat operating rude clays is al
most moDoTolized the present day by Ebeman, the
Director at Seyres and il is to the manufacture of
French porcelain we indebted for the explanation
and imitation of natures chemical operations This has
in turn reacted the manufacture of the and the
INSPECTION If the egeed porcelain OF Lshoche will sat
isy tie cornoisseur Of he beauty and reality ofhe ma
ton The turqucses the bowls AID SAVERS have all
the appearance and hardness OF the real gem Much
no doubt is due TO individual enterprise 10 earhen
ufaciure yet still it must be borne in mind that the
French Governmental factories ahead of the world
in the excellence of the crude article the beauty Of de-
,ap End the artistic execution in the col eng and that
n, progress Of England and other nations in porcelain
is IN imitation OF the French productions. Lahcches
collection Of old Seyres and modern limitations Will make
clear 10 even the unintiated observer.
In the Austrian and German department the cO.lec-
ton of porcelain ware is not fuy exposed, aud notice
ofthem is therefore delayed they will he considered
along With the glass exposition. O the common ware
ana coarse pottery. there "a moderate e1hlp0n In
the Canada department there is collection OF Queoec
pottery, made If good clay bat the finish Is rather de-
fectiye
The Messr. Mayors Of Dalehal pottery, Stafford
shire have very good specimens 81 Opaque Porre
lain The opacity ~ communicated BY the glaze, or that
fsibe coupound which is applied o. the surface Of the
biscuit before il is placed second time IN the kiln
This occurs with tie soft porcelain with the hard
single firing OF higher temperature i used neopaque
Glaze has generally ba,e of oxide Of TN, and sometimes
phosphate Of lime when white tint Is required When
IL 4 n. eoed cnlorrd oxides OF copper iron
and cobalt are mixed in The Messrs Mayors have
Good collection of parian figures and stone Jugs aud
pitchers in has relief Of extremely pretty patterns.
In connection with these remarks on Ornamental
work We RIA, here introduce notice the collection Of
Messrs Ellington y Mason, in the British department,
M stairs Tie contributions from this eminent English
firm c.rst Of liable covered Sith eleciroty ped ar
ces in COPPER bronzed This, though not attfsciiug
much notice deserves really attention than the
expostions 81 gold and silver beside L. This beautiful
ART (elecfrOtyuDg belongs TO our day-ath0aeh a. Tar
back a. l-0l DR. Wohaston observed that piece OF
silver IN connection with 3 more positive metal, De
psced ia C. pDer solution tue silver IL coated over
with the conner hich coating y i'll bear rubbing with
he bur1isher Notwithstanding this aud numerous
similar ob.e aions 40 attempt subseqlen made
70 make practical application 70 cover surface
with metallic deposit until May. l-9, when Professor
Daniel ~ London invented bis constant battery. Tie
I,rl.r Aisao nm ennounced thar jacob o.; - Peters
tufc could convert any line however dne engraved
CONFER. ii'o relief ~ "a, anic prVcess. Jordan
u0rkp printer u June described BE apparatus for coat
iDe metal surfaces With copper. Il 0ls subsequently
found thar a r,-nous coating protected parts which t
WIS 90. rad ro- 10 c1at thus acitetn- tie Ely
reuolal of casrs. ALL Alrrrsy and 'isr Dumhaeo
gave arF surface o roari1z similar % metal and cd
ai.,d ne deposit - be- tLroVn down upon This r.
moved tie necessity Of usng c-eMica mods, and a.
lowed he ompoy meD 81 plaster wax resin. AMI Otaef
.utstaBcf. Thus cllyaHc battery, mold and me-
allie solution are al that ~ required for his multiply
inc Ar The article 10 be coated the mold is placed
~ the metallic solution and put in connection With he
uires from the battery The deposit Of metal imme-
diately COMMENCES and until the vi ole metal
If tie solution j. thrown down upon the mod. ani II
precautioLs be- taken 10 keep it, strength the de-
uosit metal MAJ 70 I'd gfEfRm. hus any amount
II thickness Of metal coating may be laid on and in pro-
portion 10 the nature OF the metallic solution will he the
metal dcpos ted Thus when the solution Ofcopper
mi copper which is deposited whenof silver, is silver
g gold solution il used for deposirug gold. The e0pie,
which are thus rrod-ced faithful AID accurate, 20
mult Every. even the mllutest line is represented
and hat inequality ahch the fingers end can scarcely
detect the surface 81 Gague rreOfyDe plate 4 80
iI'y eDroluced bat cOpperpiate impyesso msy ne
taken from he copy Let tfe visitor look 10 the lizards
f'r ~i -h7 'avrs copied by aiugf8n direc- from