Evening star., 1923-04-22

House in New York May 10. from
which it will be picked up by
sensitive microphones and broadcast
through WEAF. Under favorable
conditions this station has been heard
in the Hawaiian Islands and in
Europe. and is within range Of high
grade receiving sets in any state of
the Union. This is the first time that
President Harding has spoken through
one of the great radio broadcasting
stations to the people of the United
States
The occasion is the twenty-seventh
anniversary of the founding of the
Volunteers: held in honor of Gen. and
Harding is the guest Of honor. John
W. Davis. former ambassador to
Great Britain. will act as chairman.
An insistent demand has been made
by the millions of broadcast listeners
for an opportunity to hear the Presi-
broadcasts from WEAF controlled
from points outside the broadcasting
studio assures the highest quality Of
transmission and realistic reproduc-
ton of the Presidents voice in hun
dreds of thousands of receiving sets.
Radio Tests in School.
The first successful transmission Of
readin'. writin and 'rithmetic by radio
has just been witnessed by more than
Of New York and the Radio Corporation
of America.
Accountancy had been selected as the
subject offering the. most conclusive test
OF the efficiency of this new force in the
spreading Of education. Station WIZ
was chosen the station through
which 10 conduct the experiment and
from 1:15 to 1:45 a series of accountancy
problems was broadcast. At Haaren
High School engineers Of the corpora
tion had installed a receiver and loud
speaker equipment before which the
students were waiting at their adding
nouncer's voice came through loud and
clear to every one in the classroom and
the buzz Of conversation ceased abrupt
ly. The various problems were then
presented slowly and distinctly just as
they would be if the instructor were
before the pupils.
few minutes after the lecture was
completed the correct answers to the
problems were sent out and received at
the board of education headquarters
and at the school, where they were
checked against the results arrived at
by the students. The overwhelming
correctness Of the pupils work testifles
to the faultless manner in which radio
waves carried the many details of the
complicated problems, every one of
which had to be received to permit OF a
correct solution.
Principals of over twenty-five city
teners-in" at the board rooms, as
were the assistant superintendents
of schools present. Gen. J. G. Har-
bord, president of the corporation.
was enthusiastic regarding the dem
onstra ton. Il have long been CON
vinced," said Gen. Harbord, that
radio telephony need not be limited
merely to the broadca sting Of amuse-
ment and entertainment 1t has now
found its greatest sphere of useful
ness. Millions Of people heretofore
denied the advantages of higher
training. either because of their loca-
ton or their working hours. can now
receive this instruction nightly In
their own homes. / am delighted
that this test was such pronounced
success and trust that this new ap-
pIication Of radio will be developed
quickly all over the country"
Haaren High School was not the
only one to receive this instruction.
other high schools. io-equipped
tened-in" and the telephone brought
to the waiting officials reports Of sue
cessful reception from schools scat
tered all over the city. This was
conclusive proof that hundreds. even
thousands, Of pupils in many widely
separated locations can now listen to
leading instructors and experts with
whom they otherwise would never
come in contact.
Officials Of the board of education
we're warm in theif praise Of radio
as an educator, and are already dis
cussing methods for the immediate
broadening Of the service.
Open New Ether Band.
Will there be a scramble of all
radio interests to. get In" on the
once supposedly worthless ether
band below 150 meters wave length?
The onward march Of radio trans
mission has undergone so many
changes within a period Of mere
months that even the most expert
hesitate to express an opinion for
fear of being called upon to retract.
This has been true of most all pre-
dictions about the value OF short
waves.
In recent weeks there has been a
great deal Of comment on the possi-
bility, Of long-distance communica-
tion below $50 meters and it is only
again demonstrate that he is the
pioneer when it comes to this par
ticular phase of radio development.
During the recent CO (short wave)
test party under American Radio Re-
lay League auspices 6G1. an amateur
station, operated by Archie Wade of
465 North Lake street, Los Angeles,
Calf, transmitting on a wave length
Of 120 meters, was heard in every
state IN the Union. This station
holds. the record for short wave
| transmission, the power being only
II nVo WaIGS.-