The Cairo bulletin., 1908-04-28
TRAHS'.IT SIGHT APPARATUS.
Ieiautophct, VIII Bring Distant
p,ii.tS to View

| W siCWs
,redulous n nds will probably be
exercised over an announcement OF
the invention OF an instrument,
known as the telautophote. which Ia
apparently designc' to bring all re-
mote parts OF the carth into closer
touch by rendering distant and per-
maps now Invisible objects to view
The new mechan SIN. by electrical
aid, II Is said, would cradle a New
for'er telephoning his wife In Chi
cago, to return home to study her
expressions during the conversation.
1t would make a San Francisco prize
night or Denver COW ntion some
day as visible from tie Flatiron
Building as a Fifth Avenue stage.
present, however. the telauto-
| photo Will serve only as an attach
mont to the telephone, and It's inven-
tor, Mr.. Sidney Rothschild. OF No
| AT Eighth Avenue, New York. stntaq
that In this connection It will give
complete satisfaction.
After two years of arduous wor'-,
spending hours every night at wor
on his invention. Mr.. Rothschild, wi
is but twenty-six years old, prove
his invention a theoretical success
He sent 1t to Washington, where u
was approved and patented, ami hs
Is now working with models, to dem
onstTate the practicability of the de-
vice
While DR.. Art ur Korn, OF Nun
chen, succeeded by the transmission
of a Photographic record. in convey
ing a distant likeness to view 1t
was not an instantaneous process like
that of the telautophote
lr. Rothschld claims that his tel
ephonc method of transmission ia
much simpler than the negative post
Ing method employed by Dr. Kern.
1t Is founded upon the we'll known
truth that when 3elenium is struck
by light its electoral resistance
changes In relation to the amount of
light which shines upon 1t.
The Instruments employed in the
sending ana receipt OF the electrical
Influence e. OF wonderfully simpls
" - u mum afltStf~
The tr@ 1tting consists OF "a
selenium cdaesd cell upon which any
Image may be fo,ussea BY a camera
iers through a transverse slot In a
travelling steel belt The belt
moves perpendicularly across the
face OF the cell. which is made ~ OF
alternate copper and mica plates in
sulated from each other but con-
nected along the edges at one side
by a selenum coating The inten-
sity OF the light reflected upon the
coll will vary as the slot. travelling
across the cell exposes the coating
to the lights and shades OF the i'm
age
The main cell Is controlled by what
is called light control seIenium cell.
moving In proportion so much faster
than the main cell that every point
On the surface of the main cell Is
covered. The controlling cell tuus
rams orms every point of light into
IN electrical impulse and sends 1t
ly wire tn a distant receiving sta
ion.
AT the receiving tation is a belt.
With perpendicL ar slots. rotating so
hat pulley with horizontal slots
passing 1t causes points of light to
Ippear as one slot meets another. Tho
gh' comes from a vacuum tube with
2 the belt, and 1t varies In accord
VII the intensity % the electrical
urrent from the sending station.
'otu receiving and sending apparatus
'or spontaneously by regulated mo-
OTIS.
The light which appears at the
lots varied at each point to the
Tc degree with the light at the
station, throws the fig
re seen at the transmitting
.ation through lens upon
ground glass screen. AS he
henomonon of continuation of WIS.,
N occurs in the moving picture, the
lrying figures on the screen. which
ppear as lighted by single fash,
resent every movement of the OBJ
'ct discerned.
Mr.. Rotchschild was born in New
rk and was a graduate of its pub
2 nools. He early undertook tha
udy OF electricity. building motors.