St. Landry democrat., 1891-05-02
PHOTOGRAPHIC CURIosIT1Es,
The Future Wonders to be Achieved
by the Camera.
RECENT ASTONISHING DIscOvERIEs-PHO-
TOGRAPHs ON A NEWsPAPER-A BOOK
PRINTED BY THE sUN-COM-
POsITES ON A SKULL.

NASNS hAh 1GRo- - l.
ToGRAPHs ON A NEwsPAPER-A BooI
90 PRINTED BY THE sUN-COM-
POsITEs ON A SKULL.
Ill WASHINGTON. March 80, 1e91.-Wh
in ever may be accomplished eventually
-, the way of reproducing colors of perm
~ hence by photography, the process
a. doing this, newly discovered by M. Lin
is maun, is scarcely to be considered yet
more than one of the many curiosities OF
marvellous art. Some day before We
III long, doubtless, this or other methods W
be so far perfected that the taking of DC
n Pies portraits with the coloring of t
!, originals will be practicable. Great pair
O. lngs will be copied imperishable-thous
. time must destroy the paintings Their
. selves-with the camera, and the san
d apparatus will be utilized for making I'll
Y sun himself do landscapes in the tw1nklir
OF an eye with all the tints of nature.
with relation to the ultra red and inf
violet, invisible to the human eye, whic
, me French academician finds exhibited
piack bands in his reprodu .ction Of the co
ors of the rainbow. PROV essor Langle,
secretary of the Smithson>a ~Institutio
> mere, has made some astoni hing discover
les recently. The ultra red is to the lei
of the red end of the rainbow, while th
mira violet is to the right of the violet end
THE LENGTH OF THE RAINBOW
Being in this manner added to In boil
directions. What could ba more interest.
ing than these hues unknown to US, t.
which, as Professor Langley says, rose
and other flowers owe much of the OK.
qulsite beauty OF their coloring? By al
instrument OF his own invention. mex.
pressibly delicate, which he calls a ':bolo
meter, this famous scientist has traced
the rainbow to more than twice its visible
length. The contrivance-a thin film OF
iron, through which a current of electricity
is psssed-is moved alorg over a rainbow,
cast by the sun through a prism, register
ing the heat Of the hidden rays by the
interruption Of the current. In this way
it Is made known that we are actually able
to see but a small fraction of a rainbow.
Who can tell what gorgeous colors, differ
ent from any ever beheld by man, lie con-
cesled to his imperfec: vision along the
path beyond the violet and the red3
1t is amazing how simple and evident
some inventions are, when they are once
hit upon. 1t was the Emperor Nero wto
used the first eye glass-a monocle, by the
way. He was nesr-sighted, and he found
that a certain big concave emerald in his
jewel collection enabled him to see with q
much improved vision what went on in
the circus at the gladiator shows. His
notion was that the gem was magical, but
there was the original presbyepic lens, if
only any n had had the wit to look
through it with the gaze of scientific spec
ulation. But no n did, and SO it was not
Tor fifteen centuries that spectacles were
invented.
To make a photograph the most impor-
tant requirement is a surface that is sensi-
tive to light. You imagine that chemistry
Ia required to make such a surface, but
THAT Is NOT TRUE.
The newspaper on which these words are
printed has a sensitized surface. Tear off
this page, when you are through reading
it, and it will make you a very fair photo
graphic print, If you will lay a glass mega.
tive upon it and expose it to the sun for
But the negative requires skill and ap-
to make, yop say. Then do with
put 1t. Imagine yourself cast away upon
IN uninhabited island. You are an en-
amateur in photography. and
'ou must make pictures or despair. Hap.
lilly, you have preserved your hat, spec
acles and a note book. That is a reason
BILE superstition, compared with some of
hose In the ''Swiss Family Robinson"
where If one of the family desires a lemon
de he is sure to discover OPPORTUNITY a
emon tree, with q field of sugar cane on
other side of a bubbling brook. Re-
olclng in the abundant supply of materials
t your command, you fit one of your {
lenses into the crown of your
and cut a strip of bark to close up the
pening intended for your head. That is T
camera. Next you tear a page from
our note. book, previously dried, and rub q
over with some juice squeezed from t
overs. Flower juice is an admirable g
snsitizing medium 4; q few years ago it t
as utilized to some extent in photography. =
he page thus sensitized you attach inside p
the bark back OF the hat, and your pho. b
graph is soon made upon the paper, Fl
'ithout the Intervention of a negative. a
But, after all, this is not a fair SUPPOSE St
on. You might not have a hat, nor spec Il
cies, nor yet a ote-book, when you were a
st upon the Island. This, howe yer, n
ould not prevent you from taking puoto- g
apis. You could surely make some sor, p
box with q very small hole in one side Q,
ID q big leaf attached to the back. In m
9 absence of q lens the small bole does rs
~ well to concentrate the rays of light tn
'on the Leaf, which has, like all leaves, pl
A SENSITIVE SURFACE. ~
Thus you obtain your photograph. "A Oh
Doth plank of wood has a sensitive sur. Ii
70 too, upon which a sun print can BIZ SC
do IL In <hn -1,s~ - 1 F.
the surface sensitive to light, and to
3 same remark applies 10 leaves and to up
} newspaper tissue made from wood wi
LIP. 1t Is worth mentioning, by the way go
It q traveller In the Arctic regions could CO.
q very respectable lens out of a piece i'm
ito
curiosities of photography are onl, the
inning to be discovered. Some photo la
ps were made the other day by teles- agl
Q OF the Statue of America-vulgarly kn
'posed to represent the Goddess of Lib pre-
7-on the dome Of the Capitol. Lenses up
% arranged in a big camera according to ma
scopic principles, and the pi :tures, the
On at q distance of q qua" ter of q mile, OUT
ugh only four inches high, was so clear Eof
letail as to enable. the people at the upt
1onal Museum to restore with accuracy the
mutilated original cast for the statue, gla
lal size, which Is now being set up in the
center Of that great institution. sub
very interesting photographs have is
q made at the National Museum here The
mushrooms In progressive stages of stal
One aeries represents the devel- 70 :
TENT and propagation of the ''fairy. Lure
: mushroom, respecting which SO many
'ty superstitious fancies are current.
centuries past it has been imagined by Inst
ntry folk that the rings formed by these dep
In the medows ard ON the hillsides drv
) used BY fairy dancing nartias The -