New-York tribune., 1922-02-26


"Just turn SWITCH" the Jealous
"ad" writer said, "point the loop in The
direction Of the broadcasting station
which you wish 10 hear, and tho COR
cert can be made as loud as you care to
have it." And in another place he de-
clarcd: "The music pours out of the
special horn, hidden in the left side Of
the cabinet, in whatever volume you
desire. SO perfect is the mechanical
reproduction of vocal and instrumental
sounds that the tone values achieved
are almost unbelievable"
An ornate cabinet was portrayed IN
this "ad,' and just beneath it appeared
the magic words Gull patents pend
ing
General Offices" Bare Loft
Being naturally interested in the de
velopment of so wonderful an instru-
ment, the radio editor and others Jour
ncycd TO tho "cxecutivc Offices and show
rooms at II Battery Place, to witness
a demonstration, a previous call at the
general Offices, 122 Fifth Avenue" hay
ing discloaed only a bare loft to his in
quisitivc eyes.
Al the Battery Place address, how
ever, greater success was achieved
There little room had been set aside
TO house the ornate cabinet, and along
side was another room for the officers
of the new corporation. A large num-
bcr Of other interested spectators were
present awaiting demonstration.
Two men were tinkering with some
parts in the interior of the cabinet.
while an important looking parsonage.
who had the air of ar Officer of the
company, stood by them. There was
no question about the beauty of the
cabinet; in its way it was work of
art. Near it stood a beautifully turned
stand with cross arm, over which was
wound the loop aerial.
us the instrument ready for deliv-
cry ~ asked one OF the bystanders
No. replied the I. l.. P. eve ex-
pect to be ready for deliveries in four
weeks"
"IIow many stages of amplihcation
do You use?' asked one youth who had
all The earmarks Of being radio
bug"
Excuse me- answered the |. l.. p.
That would be something personal.
cannot tell you that"
One Spectator From Missouri
At this moment one of the impatient
spectators shouted out, well, when
Goes the darn thing work."
ooh! There's no concert for another
half hour yet replied the I. L. P.
How do you work it," asked an
other spectator.
Its the simplest thing in the
world,' said the man who had taken
up the burden of answering all oues-
tlons fired at him. "All you have to do
is TO press a button and the music
comes in."
At tins moment one of the two men
tlnkerlng with the instruments inside
began an elaborate series of adjust
ments' which lasted fully fifteen min
u'es' without any response from the
impressive looking cabinet.
AS the magic hour OF the concert
drew near the important looking per
sonage began to assume an anxious
look Turning to one of the two men
working on the machine, he said.
Have those batteries come up vet
shearman. You can't do anything
until you get them, can you?"
The two men got up and walked ont
OF the room, followed by some of tho
spectators. Outside they proved to be
Tar less secretive about the instru-
ment, and were quite ready to answer
all questions put to them.
They readily admitted there was
nothing unusual about the cabinet or
It's contents, and that they were ON
ploylng three stages of radio frcouoncv
ampllficatlon, one dctector. and two
stages of audo frequency amplifca-
'1on' They declared they were not
I'M ringing any of the existing patents
and said they did not use anv form
of the Armstrong regenerativo c;rc,,;t
How do you get radio frcoucncv
with short wavcs?" asked one of tho
radio bugs" ~
"oh. it comes in pretty good tbey
rcn|icd ele'