Seattle daily post-intelligencer. [volume] (Seattle, W.T. [Wash.]) 1881-1888, 1886-07-15

ard hlus aiaast wkiie. ths rreea 4 half-
tiat. ard all The rsss, inelrdipR ypllow.
nearly black. Yes ue khnu tbaa inaiao
and bioe osghl % pFcdacs = mnoh
stronger eject upan the eve than Vel-
lcg. and 30 " experiment ID plasine
diaersnt tfanEpareni uaseriala u fFonf
OF lhe camera lens unsii we dad shRl
black prodnoes black. bius ana Fsd pro
dace q dark tnoc, and yellow q very
iieht ene- Tasa wa are ready for ortho-
caromAtie phst0sFarhy. In soma q tho
experiulents VITA diaarens oolorsd
glasses, etc, u viii be fcand thaa
esrtain colors sre climinated alto
esther. Oae glass In fruna of ahs
lena may ave = plcsure IN which noih-
ing oot tie blues ahog, and TIE taaaa
i1so Whica biue e0teFs more cF leas.
We theretore have q nsRatiFe fer she
oiaes o. that pictara. We Fepeat tha
operation for the yellowa. and We havo
negative for the yellow. By the Ario-
type procees Ue can print q picture on
pager In ans eolnFed ink ne wamt from
photoGraphic naQatiSa. II We uss tho
blae ink negative aud biua Ink, We
have reprodaetion % everything blue
oE late which blue entered "a tho orig
inaL Thea We print on top az that
with our yellow negative aod yellow
ink, and we have al the yelloWs IN their
right place aad the RFerna f6lua and
yellow and their tints. Whoa ~ enuna
70 red there Is trouble, aud no uay has
oeen found Of getting q good noRatira
CT the reds In q picture and of nothina
else. Nevertheless. the resalis % far
are very satisfactory, and avaEy dMy ssea
some neW step IN advanea
"As yet the orthoohromatic process
eannot be used In portrailufe. ailhcaRh
u Woala ~ of ths greatest valaa. ogina
% the long exposure needed; peaRla
would have 90 remain mctionlaaa FOE
faif an hear. S0me one mast fud z
meihOd Of making thia process inaian.
taneo9s. and Of course it viii Be done
some day.H
some sf the plates unads BY Mr.. Bier
stadt showing the sdvantaqs of the
ofthoehromaiic process over The other
msshods. are very convincing. Ga aha
sane sheet be shows photograph of an
early landscape BY HAFt, and bsneAlh It
ths same improved by iha inleFpaaigion
Of an orthoohFomatio meiiam. Ths
irst Is al black and white. 3 wsndssful
pteoa Of work. but wanting "a che gFa-
dationa Of color aud somewhat monnto-
nous; The second Il aolt and dalioAla.
giving The artist intent 10 tone vAines.
us superiority ts recognized - glance.
For tbs benedt Of thOas persnna not
familiar with processes By Whtoh pho
tography is used 10 connection With
printers ink 4 may be well 20 describe
q briefly. A sheet Of class is o0gsKed
With . aim Of sensitiEsd gelatin upon
which The light oomisg through a pho-
- -. -
wherever the liRht comes thRouah IN
distracted, she gelatin q nade iuaulnhla,
eiseWbere Il vail absorb uatar ike 4
sponge. AfteE being washed In water
An ink roller ia passed over eha gelatin
snFfaoa. and it 3 found thaa where tie
gelatin Is hard and dry The ink s'tAkaa"
bat where Il Is sponRy and full of water
Il does not take. From such q plata
pictures in pr.nteF's ink can be made
With an ordinary press. The oama
plate aaffiass for thousands of oapisa
sometimes, aud gives a dolicacy os tone
which promises 20 drive wood and steal
cuts out OF ell 0na books. OaFafully-
made pictures By this process are an
Occasionally nner than photographs.
One Of tie curious uses to which TIE
pFocses has been put waa aesm thls
morning IN Mr.. BieFuiadt's ofaoe. A
book collector had a eopy Of a very
rare old work from which The title page
vas missing. From 9 perfect copy q
photograph Of the title paRe had bean
made. and the facsimile IN printers ink
BY The aFtotype process Waa 20 perfect
that only an eKPeTt could deteat the
copy from the original. The photograph
had rendered even the color OF the pa
per and its most minute marks and
tints glven by aRs and damp.-Rss
York EpsHiHQ Post.