Indiana daily times. [volume] (Indianapolis [Ind.]) 1914-1922, 1922-04-13
How to Make Your VariO-COupler

DETROIT, April 13.-The first and larg-
est Radio Exposition in the Middle West
| will be held in the Exhibition Hall of
/ the General Motors building, April 10 to
| &c. 1t will be staged by the American
Radio Exhibitors Association, Inc, with
Detroit offices in 1909 First National
Bank building. Mayor James Couzens
will open the show by a radiophone ad-
dress from a local broadcasting sta
| ton.
| Thousands of radio enthusiasts from
/ Michigan and neighborhing States will
| be given an opportunity of studying the
latest developments and newest devices
of wireless telephony, of hearing lectures
by experts and Of inspecting the ex-
hibits Of the great electrical manufac-
turers and prominent radio dealers anu
distributors.
Many radio delegations from the
| neighboring States of Ohio, Indiana, mi
nois, New York and Wisconsin have an
| nounced their intention Of attending The
demand for exhibiting space has been
| very heavy, but due to the fact that
/ larger quarters have been secured in the
| General Motors building, a few booths
are still available at a nominal figure
The show viii be of great value to
radio amateurs who have already delved
into the realm of ether waves and to
the novices who are anxious to become
members Of the radio family The lat
| ter will be afforded an opportunity of
viewing collectively all manner Of ra-
do equipment, making it possible for a
proper selection Of an instrument for
their individual use. Those in attendance
Up hn E-v gr,A, 10.
business will have the wireless market
at their disposal.
The exhibits will represent all phases
Of the radio industry. The products will
range from contact points to complete
receiving sets of the latest and most eff
hcient type, finished in such manner as
to grace the parlor of any home AS a
unique feature of the show, the manage
ment is endeavoring to secure an ex-
hibition Of radio freaks and novel radio
adoptions, the products of amateurs with
an Inventive turn Of mind. II at all
possible. receiving sets that can be car
ried in a vest pocket or on a woman's
ring and other midget apparatus will be
on display.
Special lectures will be given by Thorn
as +. Clark, a pioneer of wireless since
1900, and one of the outstanding figures
wireless apparatus for the Detroit and
Cleveland lines, and for the Revenue Cut
ter Service of the United States Navy
In 1912. His exhibit will show the evo-
luton of radio telephony.
he lecture Will cover installation. op-
Grafton, application, maintenance and
many other subjects. knowledge of which
Is indispensable to radio fans. Many
radio engineers viii be on duty during
the show to give expert advice, answer
questions ard help beginners to avoid
mistakes common to those who are new
to wireless communication
Concerts from the big Eastern broad
casting stations and others throughout
the country viii be heard by means of
high powered receiving sets, and It is
even hoped to pick up the San Francisco
station, thus establishing new recep-
ton record for this district
Ii Is planned to have two miniature
houses completely equipped with sending
and receiving apparatus showing the
latest and most efficient methods Of erect
ing antenna.