Richmond enquirer. [volume] (Richmond, Va.) 1815-1867, 1817-12-06

White NRnCNkRY-MARE.

we have in our possession several pieces
HNde ~ The factory of Mr. DAVID G. Ssixas near this
~ tive ad not attained proof nf its domestic origin
We shoultnn have heslaed believe it from its gtme
raj apeearanee Ia be OF transatlantic production la
thtsaelei we should have been chiefly guided by the
knowledge that many attempts have proved
70 initiate the Liverpool white crOckey. We should
nave been biased by the popular opinion. that the Hed
States could not Furnish suitable materias or il tie
materials could he had thar were ignorant of The an
"i compromising them Rat the result at the research
s eNeuons oil MI SeiNas the proprietor vi the potte-
- S'adea TO- at "Ace sets ASIDE the erroneous prejudice
OF these opinions.
We are informed from authentic source and IL gives
as satisfaction TO pfomnisate, that every material winch
be makes use OF is derived from own sa and
~ SUCH abundance that they mas he said Ia he
ible--and furthermore ihat foreigner las ever hgj
any cohcern,or snpertendance employ, in this man
As this is the only white ware pottery in The limited
5'ates we have obtained permission 10 iay before the
pushc soue particulars relating to the Y na-
The principal of the materials CLAY and flint The
fntmer ~ q" geyish bire colour aud contains pyrite
9" sulphur aud IRON cby mically combined The presence
VI "hsh imhtls the co"Ir OF the ware They sepa-
rated by an economical aud expeditions process AN art
not pactised or known ~ the Riropean potteries The
clay IS eoponsiy dfused M water, sud r-ssed through
e LAVA s'e'es, to deach the larger pai cles sand
rhe dnt is Of greysh black cnIonr n jscxnos.d 10
strong heat aud ssnddeniy plunged into cold wafer
BY frequent r.reitions Of caicinaton refrigeration
whttness and fiiabiIiiy ensne It is then ground to
poiSder dHer .han supertne honr, So perfectly Inn
papable, that 1t viii remain many hours suspended IN
water I, is then subjected To- Il parlGtaton Ia eX
uSct the small portion VI oxide VI iron which usually
contains.
IL is linen mixed by measure with the purified liouid
olay-both Of Used specific gIatniiy and the p,ixnre
poured into watts, the solids in time subsde-the water IS
r"u oh-ie resd'hm further exposed the solar heat
uni the remaining water has evapnraed suit it for
f"i ming into the required vessels This performed on
wheels ofhor'zontal aud vertical movements -handes *
shouts &c are subsequently aiNed the are prr-
iecty died, and placed IN cylindrical pots-these are
pactdi IN columns ON an kin aud exposed 10
neat OF 80 degrees OF Wedgewo"d's pyIOneter. When
tie Ruin is cod tic ID Withdrawn aud each piece
CPaaely mDT sed in The intended glaze This is ore.
pared principally ofode nj lead and powdered Int and
all colours are impaired 10 by the addition ealc
aSices of zinc for STRAW yellow OF cobalt blue non
II req ofctiome ioi green (this is prepared from the
Baltimore chromate vi TOn) The component pafte OF
tr glaze are dihased in suicemcy OF water TO render
The whole 81 the consistency OF creauthe are i'm being
slipped therein absOrbs portion leaving the sod parts
Of its surface.
second hTng ~ another Kiln under heat Of about
ten degrees (Wedgewoods.) the glaze 10 pass in
10 STATE OF perec vrihcatiou. The ornamental paint
tg IS perform wilt variousy cOloHTed glasses ground
t. aa upa'patile powder, aud mixed with essential oils
these are melted on tie in enamel Kiln by a
heat at which the gaze sohens.
iPhH. fJ6emGnS JOHsWak.