The daily Gate City. [volume] (Keokuk, Iowa) 1855-1916, 1913-02-18
MOVING PICTURE SHOWS BY
TELEGRAPH.
(By William Il. Dearden.

boston ana watch a worlds series
baseball game on screen, just as ii |
Is being played at that very moment |
on the grounds in New York, or to
sit IN New York on the noon OF March
and watch the Inauguration Of the
president at Washington while If IS
actually In progress that is the NOV
ing picture show OF the future
Just now the talking moving pie
lures are proving as far an advance
In marvel over the still pictures as
the still pictures were an advance
over the stereopticon. but the goal
beyond the talking pictures is the
teleyision pictures. or pictures from
/ 9 distance.
/ Il is coming. How many years, is
6 question. but it viii not be many
inangurations. Already 1t can be done
with tiny picture the sire Of a
thunib-nail. and If proper emphasis is
given TO the difficulties Of enormous
expense and crude results. ii would
| be safe to say that the Inauguration
of President Wilson could De seen In
! this way in New York.
Hundreds of scientists all over the.
world are working On the problem OF
telsvision. though perhaps none o,
them has thought much about the use
of the idea for moving picture shows.
Hundreds of patents have been taken
out on details, anf. working models
fot tiny pictures are bang built by
scores.
To only a slight degree is the prob
lem related to The idea Of sending
photographs By electric wires, Though
in some particulars the two ideas
overlap and the successful Korn ap-
paratus for sending photographs,
which has created so much interest
4 in the last year. Offers suggestions
for help IN the much harder and more
promising field Of distance moving
pictures
1 Simple principles that can be cas-
ily understood are used in the tele-
, vision work; it IS only the complica-
tion OF the apparatus which is dimcult
: or obscure
!, Look at any reproduction Of pho
. tograph IN newspaper-a half
tones-and you win see that It is
made ND Of . quantity Of tiny dots,
!, some faint and some comparatively
thick and black To reproduce pho
tograph. the engraver cuts the orig
inal picture all up into these little
dots. by means Of special apparatus
: for e-photographing the picture In
i television, the camera which takes
i the picture OF President Wilson as he
!. takes the oath would cut the picture
4 up into the same light and dark dots
e Now If message could be sent tc
i New York telling the comparative
!. blackness OF each q these dots, md
D each cot could be reproduced on &
screen there with its proper shade q
black. there would be on the screer
t crude half-tone picture OF ths
! scene That is what tslevision does
e But this picture OF President WI
g son would not be a moving picture
$ for 1t is necessary 20 have about 1;
e pictures flashed every second, on.
4 after the other. 50 fast 5hs- the ey,
:, is not affected By the interval. t,
e have a real moving picture. Tele
q vision can do that now.
u The simplest way 10 send the mes
r sages OF the dots IS to use sileaiun
the metal which allows more or les
le electricity 10 pass through II, accord
u ing TO wnesner little or mrch Ugh
is thrown on It Where each dot falls
In the receiving camera, is a bit Q
sIlenium, connected By wires 10 Ne7
q YORK. and as the Go. Is dark or hght
SO the amount OF current sent 20 Ne1
e York from that dark Is controlled
= trolls tiny light, which by means c
e tiny mirror. throws Onto q scree
the right shade OF light to represen
:. that particular dot Every dot Ia
: the same kind Of apparatus But III
= dots are so small that millions Z
wires would be needed TO send Ii
: picture Assuming. however, ths
i, such an apparatus could be built Q
= q large scale, for 1t has been on
al small scale. ali that would be nece
q sary 10 have the distance movi1
picture would be 70 keep the cure,
j. flowing. and the tiny dots would va
q. JUST as the picture In the -eceiyir
NJ camera Varied and L xoald be di
de- lance moTing picture IN New York
a.. Tie quantity OF wires IS the STUN
he ing block. but two schemes ha'
I'll. been used 70 get over this. One
Tor 10 have only few sets Of wiz
he which would one after the other. hu
As dreds N fraction OF z second. 81
all the rapport as 20 each dos blackne
iry, 10 New York, and then % back 81
or send new report on each dot.
10 in Il times second That has be
Yes done On a small scale.
len Prot Rosing Of the s. Pstersbu
Ilso Psychological Institute has work
Zee on. The best scheme so far. He rs
A an apparatus which takes the repc
MS of each dot separately and sends