San Antonio light. [volume] (San Antonio, Tex.) 1911-1993, 1925-09-13

length crumples up. For the light
wave length is very short-like the
sprinter's pace-and gets tired very
easily. Hence windows. 1t is ad-
mittedly cOoler-on a hot summers
dsy-within the recesses of a thick,
stone structure: but even masonry
can't keep out all of the heat waves.
On the contrary stygian darkness can
be obtained by the use Of as sheer ma
terial as black cloth-with the most
brilliant of sunshine assailing il.
Resistance present in land wires
and with the use Of extra large 1nsu-
latOrs and the resultant decrease in
the amount of copper necessary in the
wire this resistance can be largely cut
downs quite as much present in the
top. every building claims its bit.
Splinter and long distance runner
alike - short wave length and long
wave length-become tired forcing
their way along through these OBJ
stacles. And it must not be forgot
ten that in wireless there are very
many wires! In order to pick up the
slow, long wave length it is vital TO
have an aerial Of tremendous length.
In the state Of Maine there is one
aerial three miles long.
But the loss during actual trans
mission through the air is relatively
negligible compared with the loss at
the point of origin. Here in our
broadcasting transmitter for instance
we use for our ordinary work an
original force Of two kilOwats. The
power received in a wireless aerial
from this station has decreased 10
approximately one millionth of one
kilOTatt! So much for the fallacy
that wireless transmission is less
affected by losses than land wire
transmission.
at is certainly an interesting
thought-that the commercial future
Of wireless Is as dependent upon the
development Of transmission Of heat,
light and power as was the automo-
bile industry upon the Development Of
trucks and tractors. There is much
to be said for the argument that so
long as the motor car industry had
to depend for its existence upon the
zest of JOY riders for faster and
fancicr speed cars, it was anything
except a sound business proposition.
There is no gainsaying that financial
stability has come 70 the automobile
industry as n direct result of its
having provided an economically
practical means Of commercial haul
age.
Wireless-besides fulfilling the
useful purpose Of sending messages
NH FF.
in brOadcasting original entertainment
at a very cheap rate TO the poorer
classcE-has another commercial fu-
turD If it becomes a means Of broad
casting power. The capitalization Of
a gigantic scheme 20 promote this
phase Of wireless broadcasting is
anything except a remote possibility
Of a remote future.
USEFUL PURPOSES.
Just exactly as the day NAV come
when wireless transmission Of heat,
light aud power win be universal 50
also must dawn the day Of real tele-
vision. And by that ] mean instan
taneOus reproduction on screens hun
dreds Of miles from the point Of ORR
gin OF pictorial actions as they take
place. 1t is only a matter Of years
when the running Of the Derby will
be witnessed by audiences in Aus
tralia quite as satisfactorily-aud At
the same identical moments il
Is being watched by the crowds On
EPSON Downs.
The suggestion that individuals
will steal heat. light and power
transmitted by wireless can be set
aside as ridiculous. There is IN.
doubtedly a small percentage Of such
thlevery going on now a. regards
broadcasting. Unquestionably there
are receiving sets In the United King
dom for which their owners have not
paid a license. But few proscru-
tlOus and a few proper fines inflicted
viii put an end 10 that sort Of thing
II ID Is suggested that the prime
difficulty about wireless transmits
sion Of heat light and power is the
imp0ssibiiity II inyenting meters that
will accurately measure the amount
Of current c0nsumed-that suggestion /
also can be digregarded. Once we