Evening star. [volume] (Washington, D.C.) 1854-1972, 1925-09-27
RADIO SHOW OPENS
HERE: TOMORROW
All Latest Developments to
Be on Exhibit-Entertain-
ment Features Many.

vast panorama of radio prog
ress will be spread before the public
tomorrow when Washington's second
annual radio show opens at the new
" aShington Auditorium. Refinements
IN radio apparatus undreamed of by
the public will be shown for the first
time. The keynote of progress will
be stressed in each exhibit.
The show will usher in the 1925-192G
radio season in Washington and it is
expected to eclipes in magnitude the
pretentious initial exposition at Con-
Nention Hall in March, 1924 Besides
the exhibits of the country's leading
radio manufacturers, the show will
he embelliShed by n number of enter
talnment attractions and the educa-
tional display Of the Radio Corpora
ZION of America.
Will Appeal to Women.
The extraordinary efforts made by
The industry this year to establish
fadlo as thing of beauty in the
nome as well as a service is expected
10 draw hundreds OF women to the
show this week. To provide a feature
Of particular interest to feminine
hearts, fashion revue sponsored by
Marie Moran, Washington style ex-
pert, will take place daily. Beautiful
lnannequins will display the latest
thing In feminine creations. The mod
els Will emerge upon the stage from
the battery compartments of a giant
superheterodyne receiving set
The show Will be staged exclusively
ny the Radio Merchants Association
OF the District. Arrangements have
been made to turn the entire proceeds
of one performance over to a fund
for the purchase of radio sets for
''shut-ins" -not those in hospitals,
but for needy persons confined in their
own homes.
Prizes for Popularity
A silver cup and cash prizes will be
awarded in the many contests TO be
featured during the show. One will
consist of a public ballot to determine
the most popular announcer at WRC
and WCAP. Another will involve
voting for the most popular male en-
tertadner appearing before the micro
phones of the local stations this year.
Still another prize will go to the most
appreciated feminine radio star y
prize also will be awarded to the most
popular musical organization whose
concerts have been broadcast Bal
lots for these various contests may be
secured at the stores of dealers affili-
ated with the Radio Merchants Asso-
citation.
\ superheterodyne receiving set will
be awarded at the close of the show
TO the member Of the Washington
Base Ball Club who is voted by those
attending the show the most popular
player.
Among the many novel entertain
mont attractions sheduled during the
week of the show are a performance
by Crasldalls Saturday NighterS."
which will be broadcast by WRC, and
concerts by Meyer Goldmans Orches-
ira. Each day a program will be
broadcast from the auditorium stage.
Acoustic experimentation. the prin-
ciple in radio development that has
received major attention from radio
engineers during the last year, will be
stressed in many of the exhibits. The
infections of the human voice and the
vibrations OF the musical scale. ii
was explained. occupy an acoustical
frequency of from Is TO 10000 vibra-
tons per second. The task of CO.
ordination, or synchronizing the
acoustical clements at the transmit
ting and receiving ends of the radio
circuit has been accomplished this
year to a. remarkable degree.
Loud Speakers Intricate.
is that leading radio manufacturers of
the United States will exhibit loud
speaker units in some cases almost as
elaborate as the sets themselves. One
Of the new loud speakers to be shown
includes transformers, filters, chokeS,
frectitier tubes and ampliher tubes.
When used in connection with q GER
tain type set it may be employed also
10 energize the grid. plate and fila
ment circuits. thus constituting com
plete &C operated set.
So amazing have been the results
attained in acauStical synchroniZa-
ton that for the first time the feat
will have been achieved this year of
reproducing in the home an orchestra
concert with the original volume and
vet without the least distortion. Be
cause of the extraordinary volume
thus obtainable some of the loud
speakers will be furnished with long
cords, so that the loud speaker may