New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1866-05-25
Oh romO-Lisho2raphy.

TIE recent publication by Messrs. l.. Prang & Co.
ofBOstoR Of fue specimens Of hogaphy par
ncuary representing Group Of Chickens after TAFT
which regard the creditabe piece work Of this
class yet produced in America has excited considerable IN
curry hoe such work done; have hereoreshought
that brief description Of the process might prove Unn
teresung to readers.
Chromo.bhogrephy the AIT Of pictureprRtng in coors
and although very invention has been greatly
modified improved Of late years might with proPrey
be called mechanical painting the coT are aid on one
,er another mngng the different tuS and shades until the
picture complete analogous to painting with
brush and provided who undertake the work are
skfu artists there is reason why ChromolAogreph
should fall short in point expression decaoy OF tbs org
inAI painting which il is designed to initiate.
few words ordinary photography will first be necessary
In order give clear idea OF the Chrome
Briefly then Autograph Isl chemical drawing upon stone
tho drawing being made with greasy oily ink upon the
peculiar quality of limestone found tie quarres OF Soen
hofe Bavaria AL other processes OF engraving are meehan
ea rather than chemical wood type work. where the
impression obtained from raised design, or in copper aud
steel plates where design made by deep missions into
which the ink rubbed In the hographc process, how
ever there neither reevo iaago design-the opera
ton is dependent simply upon the chemical affinity existing
between greasy matter employed the ink aud thHt upon
stone aud the anagonm which this matter has os water
with which The stone all dampened before pulling
impression
In Cbromohograrby the process Identical except that
different stone required for every color employed and the
Ink usedis species of oil color similar to that adopted BY
artists for rantng Tie number of used depends upon
the number required usually varying between 10 and
80 the time necessary prepare these stones for an eao
oreo piece work extends months and sometimes years.
bot the Of coOs in any given picture not always an
Indication Of the number OF employed the colors and
ns are multiplied by combination in being printed one over
another thus engraving in which 25 stones used
there may be upward different shades Of color obtained
BY this means The Of labor and detail involved IN
drawing the different parts Of the design upon many stones
uncomfortable TO who s uninated The MoaG'
sperand is as follows;
Upon the first general tint is laid covering nearly
the whole picture aud many sheets Of paper there to
be copies Of the picture printed from it, second
Ia then prepared embracing all the shades Of other
,oo the sheets already printed with the first color
worked this third fourth fifth and sixth
follow repeating the process and adding new
color advancing picture step further until the requisite
number coors been applied The printing Of many
soors and the required for drying each before tie app
saon OF succeeding involves months Of careful and
lnxiousy watched labor Great and skill are required
perfect what is technically termed the registering or
that part of the process which provides that the paper falls
upon every exactly the position relatively to the
outline To stain this end stout brass pins fixed in
surrounding each stone. These pins penetrate the
paper making the first impression and the holes thus made
being carefully placed the pins all subsequent impress
isures the certainly OF the outline on every stone
always falling into the position every sheet At last
however leaves the press be sized embossed vanished
mounted snd framed. The enclosing that part Of the
operation necessary to break tie glossy light and soften the
hard Outlines broken structure ing given to the print by
being passed through the in contact with roughened
stone
or course the photographer wei as the Printer
must be artists feeling at least they attain
any degree Of competency and this requisite combined with
the necessity OF long study and training the why
little done tits branch Of the business In this country
We pleased much activity manifested In this d.
recon present evncng The growing interest OF art
loving unity such matters snd trust that those who
devote their time and viii receive the energetic
support they deserve The number Of successful Chromoho
xrsbers Europe YET very limited therefore the e
orts Of American al the paisewOrthy, In
view Of degree perfection which has been attained in
sheir work
Messrs Prang Co. have other works Of this nature In
press they receive the nece
,ayy 70 enable them continue their abors which have
tendency to the standard Of art and educate
the the by placing within their reach fac ain
OF the finest works Of the great masters IN painting