The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1853-08-04
vx1oNNl SCIENTIFIC coNNENHl@'
American Association ~
Advancement Of Seo

AAV0nCCVWCAS -
>she view York Herald.
v-AFrERNooN SESSION.
SECTION A.
an, tho n, .hbution Of Precip'.a1ou - 10 Iorin
I'm Y" e North American Copfnent- Ds Ho
:, of Washington" r-ons.
ooSnarks on L,thography aid L'n + ;ont
"a. By Lieut. B. Hup@ p"r .n - r.aa
Hunt was exceedingly ipsruc''o' ~, -, ,,o.o ~
-. ,.o,, in,.r.st by Al who would Know niore VI
WIN deep me-. assss Of htbography by which our
me dlncui' p-.rs ana chSfts are produced.
most science such frequent occasion
20 make use ID m ography m the pabcsuon of tber
suits, tsst bAve thought belief remarks on this
art and especially the department Of coppe- or steel
pAse transfer printing might possess both and
nnV wneo IN 'r-ss sing any OF osr chief Cities
ootese me bequeot sign boards OF ithcgraehic est4b
nShnc0 OF go Gle rusty in pect il do lit
lmsgne that Alose Seucelder ouy made the de finite
oisoosey OF the berapeic process in ths year 1892
This art has # a6iiq nifty to us which makes
seem 40 II csp atty four years had tran .pired
sros the eeoy aOor N 90 rive
cheaper cure his poetic productions invented this
IN PssnaSsisD VI STONE printing. Senctelder
mAn OF true genus and OF such earnest aud labor
meptriIg porp"e thhs he ieny eXto tad iorap ply in
nearly all it pteeut forms ON TIE dsrk ot tnin9s
nDsbosn The Gates lyirg prse ioo1srs az the art
scsrcsy sec lie cap.ees clearly than did the In
ventor eneef al ia all his isborious cGnquests OF
VERY, s1a Other %, scel obstacies to Its progsss
aAsaoct seore that eat gilt to man, a
roe oomoc'Aezsr II art WAS entrusted to his form
ing asd fostering care gave him steady co...
rsse until BIZ Wnk was complete. Thanks 70
lie hbcsa OF UEsi b. ch De Lsteyrie Eugel1anu Ack
euAnn Lem rusi, ard others the infant on beiog
pioIsgateo ir' Munich, It's brtopsce has bee
m uoh In many It's details AND has Il I'd ,oae
Imp0r ant ea@nsious 81 ts sphere of usefalpess and
csIacfy DE LESLEY rlss autogrs pruerg aud snsel
mann ProtIe IL co'ors, we're great xpsnsion 20
ieiosss Invention ~hle the exec leut maGse Oh
AaDoeca 70 and eesi eth eta in Acser
10 LONDON, Dr. moasuaod capsSy .ag art ~ IS
none NOT even os z,o,s or the fsguerreoyos has %
enineat q cas.slfy for being abused photography.
Nonp haf ode the tool OF cheap
rihty mercsnsy soseDtuue fousdsa on the bad ls
U( the community. CoroDatic gofies, on muddy back
rrouSds of soo'y iBk bAve beea diGosed under the
guidance of sii siag OF petty PROFITS
into local ties shsrs ecucs aousi or phanthsopc po
Iesr bas been hst bssns laAe faced duciaeis
and green hsneo cory glare down from tire
questsred cabin ws IN between the rifle and
the REQ peppers Tue txcorabe drawing and colTin SO
characteristic Of these Intensely cheap chronolhs
enough to arOuse he Jacob ic spiI5 ia whom art
Is thaeg OF sspcu'zs and unless PHILOSOPHY Imposes
its check the feeirg almost seonispeo0s that tho
graphy is = puitstce, which legislation h,ud ab ,te
Yet the fault i realty not in the art in abuse in
It's upuiou gam 10 tina ,act that
povsgty when uo hing Of art even these Ia "
dry cosecratioBs really OF ecjoyme And
enough this srj ym-nt be par with the savase's
ocstscy over eass beads rank col,red Calico i is
stu 60 oy meCL ~hieh may also teno to sken
g.rns Of appreciation where otherwise art sensi
bihty could exi-t Ii is undenabie fact that
Gogss ply has the capacity for producing in thoroughly
H1ikel hAnos effects Of hie some IA are
YecuiA octes OF th art al But that this result
may be attained If 10 ,nd psLsable tina. Labor care
skf and il deed s the elements Of any excellent art
should ecnspirs. The artt needs 10 be such in fact
NeA a. n name ano the printer must appre
csss Of tbs subject prssd and technical mastery Of
his bueness such is quite too rare especially among
where the msnpfscure Of tawdy graphs las 50 long
forsA the staple business Of the ers When we study
He finest prints Of Aeke, and Lsmsrcier we see
what BE- deDs ~ least part Of the possible and
oAnet but hope that the true art Of thographc do
&c. ssA prnti .sy YET find foothold among US, and
At oar trade in a.grAst ehromoths may discover its
49, In he EoA.on I'D. 81
JuAa aAd LAsslls prists which have had wide a
Crc1ntion here, though Of very unequal merit, show
az 10 may sgidm.tely trace in Il the haI Dnger
- true indigenous art Of hthography in the future In
.ata 80 uSif~ ny cultivated Is ours, this art is the
0f ~ Ssst hunss ties arrigu s,o-s many uhn
cAsast afford TO lavish their mario. means on costly
Yxints am veil perruaded that thoroughly good SCI
1osa q subjects we'll drawn and painted would sold
at t. swsst renuperatDg rates Inset real want,
IRE true benefit national taste ard every way be
Guod undertaking Yet few good artists stone
e Be found in this country that the thog npher who
shosN propose 70 himself this publishing enterprise,
WsH think he forced either TO import his artists and
prer to have his work all done in Paris London or
Tiesna. l can hardly conceive that many years viii
$1,000 to The United States viii be really executed in
sty q ct least toerabe merit This would be the best
vDaesso Of truly beautiful art from the bad repute
which i'm stem Of abuxe haG effectively
but its possibility 70 The fact that quarries in
tn oni of Munich furnish slabs Of lin,cs tome uni
form texture, apparently e.npsss yet really having
ssns~h. & u,:a the real ssss Of fnTathis S
sss., 'S6s Is limited to the Bsvarian quarries,
esot> Pappsnheim and soinhofen These fur
3hak NV quarries, which are from time to time
nousoed must encounter q low market at the start,
nies they are able to furnish IN all the regulate per-
Actin, the largest szes used The qualities of good
stSss mogeLeousness. with freedom from veins
1psoks end flaws, . yeliowiah white or q pearlygrey
ooior whoh is uniform . hard. fine uniform grain,
ooncDidal fracture with good degree of strength and
capadty for reesivtpg good grained or polished
- If hahn x,v1ffnv H.
sseory q Iithogrspay Is briefly this 4 grained or
1oiised surface Of photographic stone having porous
q mis- made With oils fats. Hence. parts of the
y4oDe surface covered with drawing in oil fat the
liked parts ard thsn ink be rolled over the stone II
will b turned from the wet parts aud will adhere on the
ked paxts Thus any drawing made with fat ink the
stone can have its lines duly charged with ink for print
ing while all the rest Of the stone continues clear I'm
Dseastca after impression thus be taken off by
s process the stone is merely the solid support for
ne lax and water 70 adhere To- and the whole mani
and them only. the stone i used wa wsen rug Il
1s TOO Dry the whole surface takes the ink prints
thus totally running the drawing Tho hographc press
Consists essentially of frame, which bed for the
STONE ID 80 sustained TO freely rollers being
1Aua drawn by crank msvsment under shsrp edged
frame. IS bread leather cover which folds down upon
Asd protects the stone and by directly receiving
she wear q the seraper BY lever movement the scrs
Per htea OF when the s'one returns to its place after
pulling the impression There three distinct methods
n drawing stone. First with the crayon sec md
with he pom brush and third With the dry point or
gravx. CrsyoD drawings made grained surfaces,
ground with sshd but not polished, the quality OF the
ssning requiring to be nicely adapted to tine intended
subject. The dr,wisy crayons compounded Of
ut basis, psuany NUT on talow and white wax and Of
Boa,e cosoring MATERIAL usually smpblsck, with some
additional ingredients TO regulate its consisency Ia
Dxeeutrg drawings, great requisite, thoroughly
10 guard the Stone from crayon dust, finger marks
'ehsa, &c, which win be found to print. In pen or
'rush drawing liquid ink Is used instead or the
xaysn, ana In similar manner, the same prectu I
toa being observed to protect the stone. Tbs
tones, in these cases, are carefully polished |
Tho 6Der the granting polish the delicate MAJ
he drawing be made. The dry point or grsver csnpt
produce the finest class Of effects, for lines cut In he
.to& lack the clear delicate quality which they possess
n stsea or cooper YET: With sufficient skill, and
ae9r, vetetinng hachures, outlines &c, can De cut
with such Del ,scy and character TO render we'll ex
xeneay fine subjects. Printing in colors involves tAe
nfe Of to or moro stones with partial dra wings each
toDe. their nun Der depending the number Il inks to
b ysfnted Each slab has drawing covering Just the
parts intended TO receive the particular coorsd ink used
IN printing from that stone Several OF ths final 3olors
usually produoed by the blending of the OVERLAPPING
Mt Ma L. -. e.