Evening star., 1924-03-22
SCHOOL CHILDREN
THR0NG RADIO SHOW
Music and Lectures Feature Even.
ing Program, With Adults
Viewing Exhibits.
CANYON FEAT DESCRIBED
Geological Survey Explorer Tells Of
Set Among Deep Rocks.

Taking advantage of a special mat
inee half price admission. thousands
of school children, many of them ac-
companied by their parents. visited
Washington's first annual radio show
this afternoon at Convention Hall.
Because of the educational value of
the show Director Alfred l. Stern
was anxious that the children be
given an opportunity to view the pre-
tentious exposition and reduced the
price of admission this afternoon for
the benefit of the children.
That there is a genuine interest in
radio in Washington was proved de-
cts1vely last night when several thou
and radio enthusiasts braved the in
clement weather to visit the show
With 'Roxie' and his gang" no long
the entire evening viewing the latest
radio wonders on display and having
them explained in detail
A concert by the United States Navy
Band vocal solos by Miss Ruth Peter
soprano; selections by the Aloha
Players asld a lecture on radio by
George Clark, exposition manager OF
the Radio Corporation of America.
were the leading entertainment fra-
lures.
canyon Explorer Talks.
Col: Z. H. Birdseye, leader of the
Grand Canyon surveying expedition of
the geological survey, in a speech
broadcast from wRC as a part OF the
entertainment program arranged by
the show management, urged the
broadcast listeners to view the exhib-
it at Convention Hall of one of the
Tour boats used during the expedition.
This boat shows the marks OF its
rough passage.
The four boats Col. Birdseye point
out, carried all of the supplies and
Instruments, and except d few port
ages, the men themselves. All equip
ment was selected with care, stand
ardized as to weight and bulk and
packed IN Water-tight bags or boxes.
he said.
In addition to the usual Instruments
carried by engineers and biologists,
the party had a radio receiving out
nt-a standard regeneratiye set with
two steps of audio application. The
set was packed in a water-tight box
weighing about twenty pounds, and
on several occasions was under water
with no ill effects. A string antenna
was used, the wire being carried on
a small reel to facilitate handling.
Canyon Reception Success.
Despite theories to the contrary,
Col Birdseye declared that the party
proved that radio reception in deep
canyon ls not only probable but
highly successful. 81 can assure you
that no single item of our equipment
gave more satisfactio or pleasure
than our little twenty-pound radio
box" he said. Men in out-of-the-
way places need no longer be out of
touch with civilization, and as equip
ment and methods are improved even
closer contact will be possible, and
it is not too much to expect that
light, portable sending apparatus will
soon be available, SO messages can
be sent as well as received.
scientists now engaged on explora-
tions In out-of-the-way places need not
be isolated and out of touch with world
events. Macmillan in the Arctic knows
that Washington as well as the entire
country is seething with investigations
from oil scandals from roadio broad
casting. Last summer in the Grand
Canyon, the geological survey party,
boating almost in the bowels Of the
earth. heard of President Harding,s
death forty-ffve minutes after it oc-
CURED and through the instrumentality
Of radio were able to join with the ma
tion on August 10 in observing that day
Of mourning, even though the party was
in mile-deep gorge. hundreds of miles
and weeks of travel from the near
est habitation.''