Radiola
III
INTRODUCTION
The
RADIOLA
III
is a high grade regenerative radio receiv-
ing
set
especially designed for broadcasting reception.
It
uses
two WD-11 Radiotrons which are arranged
to
operate as a detector
and
audio amplifier.
Four
antenna
binding posts are provided so
that
a choice of two types of tuning circuit
may
be had. One is
a sensitive single tuning circuit
that
has made
an
excellent reputa-
tion in
the
Radiola Senior, while
the
other
is a more selective
circuit for use when interference is present.
The
apparatus
is
mounted below
an
attractive
horizontal
panel
of durable molded
material
and
is enclosed in a solid mahogany case. A flexible
cable is provided,
by
which all
battery
connections are made,
thus,
the
set
may
be placed on a table while
the
batteries are placed
on
the
floor or elsewhere
out
of
the
way.
EQUIPMENT
Material Furnished
Under
the
name of
RADIOLA
III,
there is included
the
follow-
ing material:
RADIOLA
III
Receiving Set as. described,
Two RADIOTRONS,
Type
WD-l1
,
One Telephone Headset.
Additional Material Needed
To complete a new installation,
the
following material will
also be needed:
Complete Antenna
and
Ground Outfit,
A,
Band
C Batteries
as follows:
"A"
Battery for filament heating, consisting of from four
to
six
172
volt
dry
cells connected in parallel, such as one
of
the
following:
4
to
6 Eveready RadiQ
"A"
Batteries
'fI,
7111.
4
to
6 Burgess
"A"
Batteries
'fI,
6.
4
to
6 Ray-O-Vac "An
Dry
Batteries
'fI,
1211.
3
Radiola
III
INTRODUCTION
The
RADIOLA
III
is a high grade regenerative radio receiv-
ing
set
especially designed for broadcasting reception.
It
uses
two WD-11 Radiotrons which are arranged
to
operate as a detector
and
audio amplifier.
Four
antenna
binding posts are provided so
that
a choice of two types of tuning circuit
may
be had. One is
a sensitive single tuning circuit
that
has made
an
excellent reputa-
tion in
the
Radiola Senior, while
the
other
is a more selective
circuit for use when interference is present.
The
apparatus
is
mounted below
an
attractive
horizontal
panel
of durable molded
material
and
is enclosed in a solid mahogany case. A flexible
cable is provided,
by
which all
battery
connections are made,
thus,
the
set
may
be placed on a table while
the
batteries are placed
on
the
floor or elsewhere
out
of
the
way.
EQUIPMENT
Material Furnished
Under
the
name of
RADIOLA
III,
there is included
the
follow-
ing material:
RADIOLA
III
Receiving Set as. described,
Two RADIOTRONS,
Type
WD-l1
,
One Telephone Headset.
Additional Material Needed
To complete a new installation,
the
following material will
also be needed:
Complete Antenna
and
Ground Outfit,
A,
Band
C Batteries
as follows:
"A"
Battery for filament heating, consisting of from four
to
six
172
volt
dry
cells connected in parallel, such as one
of
the
following:
4
to
6 Eveready RadiQ
"A"
Batteries
'fI,
7111.
4
to
6 Burgess
"A"
Batteries
'fI,
6.
4
to
6 Ray-O-Vac "An
Dry
Batteries
'fI,
1211.
3
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