The sun., 1888-04-22

tower. Remember the. text: Whom do
Alone. sIon 81 But % what you seem 10 bo. Renembsr
TINT We live in the age where the intense real.
aReqe sSe .torg sS Jeks and Mt Hyde has
told qs th" all have y tWS SHres soo,. N.
truth to show that there is q best side TO every
thing TO them s giyen the liSht hi Of poetic
rather th Il than an cloud 1t with reproaeh.
M. E. W. SHERWOOD.
USING SPOILED DRY PLATES.
The Novel T-ick by which Mr.. Roche has
been PusxilnR tse Photographers.
For some time past the photographers Of
New York and vicinity, both professionals and
amateurs, have been very much puzzled. The
amateurs have taken the worriment most deep
ly to heart, for, while the mon who make
business OF picture taking have little time to
spare or attention to invest in anything that is
not productive Of financial results, the ANA
teurs IRE enthusiastic and possessed by
yearning ito know, you know. for the sake OF
knowing"
1t is fully understood among photographers,
at least, that tho gclatino.bromide Of silver
plates now in universal use for the dry" process
that employed In instantaneous" work-are
30 exceedingly sensitive that their exposure to
RctiAic light. even for millionth Of a second.
ruins them "Actinic" light It may be explained.
is the light which acts upon chemicals, as that
OF the sun. electric rays, or the fash from the
magnesium. single Gleam Of It is sufficient
to destroy the plate for Photographic purposes.
But little while ago a well-known and proni-
nent amateur. getting new stock OF plates at
Anthony 4 Co.'s. chanced to utter to their old
scientist. Mr.. T. @ Roche, q lament over the Ill
Incl nd ho Ind aufYarAd thr0nch
some stupid person exposing. and 80 running
lot Of his plates. Negatives can still be
made on them" affirmed Mr.. Roche. The ANA
teur looked at him in amaZement, and. as he
subsequently confessed. thought OF tho limo.
Loi what noble mind Is here o'srthrown."
But Mr.. Roche persisted that he could
make negative upon one OF those destroyed"
plates. and the next day one was brought to
him. Write your name across its face. 80 that
you be positive Of its identity" directed the
old man. and leave 1t with me until tomorrow
morning." The amateur did as he was direct
ed. and when he returned on the succeeding
day was astounded to find 9 clear. fine mega;
that in man any ordinary Developer that aim would
have come out u solid black. and , no other her
: Perhaps So he thought. " that ,piate aid not
4fs had spf 1
light to write his name upon it, That settled
the name. He could swear to the plate.
When the Eentlts,man lt mt, told that paMFayzin M I'm s1.
secey no oee was e caoabe Of
6sevnG II WITHOUT % Proof: th and a9 there asos Was
They rut plates under the glare OF an arc
light and and With apparent m equal @ M Certainty and
he
He Just ehuckled and shook his head in reply.
essionais Who listened With nereduty IL we're
convinced by the proofs abundantly offered
Sna he
saying ola hoGhes Is the only an hS ThS
eo so o
things known only to old Roehey and the devil"
ery; but simply something rather ingenious
witt with e the boys s" out " Of IT, % have @ no ebjeetion
telling you the process which Is 81 as foll9Ws; ,,u
Sa ss ess eG
immerse 1t Tor from three to five minutes in q
dish Of from eight, to ten grains Of bichromats
ounce Of water. This does not need 10 be lone
in tho dark room, but may be done right ont
IN moist condition. are not sensitive to light.
The plate upon being removed from the bath.
next ss' 3ornns no @ put this Plate % CO Contact WITH
IN the "a ptnS F frame and
| twelve. or fifteen minutes. according to- the
density Of the negative. Afterward the plate.
without the second negative. is reversed In
it tit to t the actinc light Which thus renders in
soluble the portion Of the fllm in contact with
and thoroughly wash it, to free 1t from any ex-
cess OF the bichromate. It is now taken out in
on WITH Is ross
over with composition roller carrying any
colo @Solored printing ink you choose; Where the the
tones may be. or how fine the lines. the ink will
adhere. while the water. al ,sorbed by the film
gressIons mayEwith skilI and eareSSs PRO
Seas IN like
| But the strangest part is yet to come. Up
Mhs IN e s f Ras
been made use Of w. When ri have printed 9fi as as
clean the, absorbent parts Of the dim perfectly
with clean sponge and water. apd,ip the
dissc ys ont all the bromide Of silver. which
sp sassstd Ss
If s1Ss FIN 4 ,S
usual manner. and next. with a little turpen-
1se clean s5a of aens S na bamde This bTIss sIRss
sssssopsls Ms''h in RH' saine ill., us%s and
| tne ca0nseluehce ~ that 30 Iaucn OF tne orig
by the light is made black, and where the Aim
has not been protected by the ink the bromide
| has been dissolved out, leaving clear trans
parent picture, OF course, a Transparency can
be- used rs well as a negative in this process;
first and developed afterward. Complete re-
| vcrsal OF the ordinary process.
For pure strong line work have employed
subsequently, developing, wash out the film.
| Where the light had acted In the printing
| would be insoluble and where Il had not acted
would be soluble, so that could wash 1t out
| with hot water and sponge. leaving the lines
| In such relief that n wax impression or an cleo
trotype could be made from them"
TIE GHOST IN MIR. GREENE,s HOUSE
| IL Presents ITSELF In CoIoriess Human shape
Mr.. Greene VIII Quilt.