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9mm:
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Radio _ Frequency Receiver
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NED" RADIO, FREQUENCY RECENER
‘zsmr:
B y C ABLE U S ll. 13 {TYLER
\Radlo Engineer)
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{ Jflfh’
o 3) o——————-———-—'
disxrzicn g is used in
regen-lque:‘zl‘,}' transfcrm . 12-.
11+ 8- 90+B
l8+8
G 592‘ sac-mu. 3911
radio fre—
lu fact.
a. trans-
amplifica-
range of
(:‘S.
“a, o; a xariometer l: is
:y‘ tune the cir-
r3dio ampilfler
actor so that a
Apparatus decd
rice-‘2'"? “xii 5‘0 1:10 a 6
2 TO prov .- _
: :“7‘3 1130173 513:» :31:
0‘1 Pelzcy . *
frequency ampllcallou
armors it is usually ne-
_. .u :nlp‘n‘y a pouenllomcter
[1:13 z~ rmlnais o: the filament
“r3 with a sn’d‘mg contract cou-
{cl :3 the grad rclutn circuit to
the s t 2mm cscmatlng. In
. s {With-‘1' t :e variometer controls
Cil‘CillZ so that oscillations can
u
:-
Tnu lilxcosuns Secessary
2v": m; la; good policy for you
\' t3 rel -ce prensc by using one
. .--r 3.x} :1 LE ' rent. characteristics
:.lred, \VD ll. \V‘D 2. rent amounts of
.3.', tubes work well 23‘ . \“W‘n yen may use
you de— radio ampli-
- v 13;)? detector tube.
. l~.\“ no: work on the
ire-.
ruie the radio freo
, win need more filament
. l u. gruag deal more B
the detector.
L: .
1324 by the S. N. L.
"‘cshnlcal Syndicate.
Doesn't‘nke Looks of Things.
(Vim. Alter. \V'hiie.)
. Coclidge is gaing to
2 I (103‘: line-w wheth
i
. But I am
We can elect him 1. we
And I am for him.
NEW HELIOCOPTER MAY PRESAGE SE C
I
' long generally seem so
The Sons of the Great
I "There is a figm on 3! ‘Washing-
haveé ton and when there is a. 21.... I want.
er ":12 to be in i.- " 53‘s the {15535: n: sc‘w-t 5 are the natural consll-
:1 the? : “33-1“ 3'“? .3 ”lofty 153559-: 11 funds like fruits.
tary o
‘!
_ . mill»: and eggs. and
-. L the products of man's in-
(V
:
. 2 of the disadvantages un—z ‘
Ale: which sons of farmers men labor i g
is t their efforts to uphold the -
.Y‘a
...u
100.
low) .
chine (ut right)
first a helioco
“ in the United Stats-
Wave Trap Efficiencyu
Dependé 012 Construction
Cor.
gave
“'e
around.
the. maln trouble
“Well." he said. "l! seems to cut out
the lccal station pretty well. but R
weakens all’ the clher signals at the
same time. ‘What’s the use of cut-
ting out the local if we cut out. the
distant stations mo?"
By this time we could guess pretty
Well what the trouble was. but de-
cided to go around to our trlend's
we scared
up one or cur best condensers and a
house.
A2.
1
.4. B
SUE c
: m
“=1“? “5.! "
Not' very long ago a. friend of our.
came up to the house and proceeded
to tell us with much heat. that “this
wave-trap business" was all ’wrong.
He‘d been told by articles in mass-
zlnes and papers that a wave-trap
was a. perfect interferen
and he had built one.
rotten results.
ll. we were lnterested.
seemed to
Be {are startlng.
ce elimin-
and it
0!
course no wave-trap will cut out all
the static and all the lnterferenc.
and increase Elgual strength a. bun-
dred per cent or so. but in our ex-
perience we found a good wave~tnp
to be a mighty handy thing to luvs
“‘e asked our friend what
be.
n6. 2
thin: was that we could work right
up to the local without the distant
stations gettlng weaker. In other
words. our trap was tuning sharply.
and was only cutting out stations at
the wavelength it was tuned to.
That incident illustrates the main
cause for unsuccessful wave-traps.
Some folks use poor—quality high-
resiatance condensers and high- re-
sistnnco calls wlth big amounts .9!
shellac plastered over them. and
then expect good results. A splder-
web coll. as specified, or a. plain coll
of N . 22 double cotton covered wlre
with 40 turns on a foul-duel: card-
board tube. will be .11 right. but
don'cnseshelhcorrnmlshonthe
coll. And buy a. good‘condenser. as-
peclally if you use the wave-trap In
Fig. 2. By closing the switch "S."
by the way, we can cut out our
wave-trap.
A better form of- tnp ls that
shown in Fig. 1. Coll”B" and con-
denser “C" may be the name as in
the trap In Fig. 2. The coupllng
coll_ “A." is wound on right over "8"
at the lat. 3rd. 5th and 10m turns.
and consist.- ot ten turns. with up!
8:00 pm.—Iv‘aahlon Development.
0! the Moment -
3:10 nun—Song Recital
3:-5 pan—Current Topics
#:35 sum—Book Review:
3:50 pan—Song Recital
4:00 p.m.—Tn.yel Talk prepared
by the National Geographic Society.
4:10 p.m.—-"Whal Women
Doing Today"
Atherton Duprey.
5:15 pan—Instruction 1n latch;
nufiounl Code. ‘
6:00 p. .-Storlu for Children by
Peggy Albion.
6:20 p. .—A Tall: or. Educatlon.
WGI. Medtord Hillside, Man.
12:00 Noon—Music.
12:40 pun—New England Weath-
er Forecast
13:45 pun—Closing Report
Farmers produce Market Report.
5:30 p.m.——Closing Stock Market
Reports—Momma Live
xarket News. '
6:00 p.m.—-—"Just Boy" g broad-
cast.
6:15 p.m.—:Code Practice.
6:45 pans—Boston Police Reports,
4200 nun—Beatrice Godwin. So-
prune.
4:15 p.m.—Sol‘ Deutsch. Viollnlst.
4:30 "p.m.—Beatrlcc Godwin. So-
prano.
4:45 p.m.——Sol Deutsch. Viollnlst.
5:00 p.m.—Women'n Program
7:30 p.m.—Sport Talk by Thom-
ton Fisher. '
7:40 p.m.———-Helen Clark. Soprano.
82-00 pun—Proceedings
Annual Congress of the Daughters
o! the American Revolution—Ad-
dresses by President Calvin 0011de
Sir Esme Howard. British Ambasso
ador. Monsieur Jules J. Jusserand.
French Ambassador. and Secretary
of State. Charles
Music by the United States Marine
(46. M)
An
by Mrs. Willlun
‘ (360 meters)
on
Stock
‘New York City
(49: meters)
of the
Evans Hughes.
W30 Washington, b.70. lrblnc.
tare." by ‘Bollywood' McCoaker,
claw. presents "The Messiah"
Bindel
Coastal Water!" by Charles P. Gil-
len.
Montclur.
he: reports
nals. Weather forecast.
of Market reports.
Oncomlng Events.”
Hall.
8:00 rum—”mm: Motion Pic-
8:15 rum—“Jolly Bill Stelnke“
8:30 p.m.-—Newark Oratorio So-
by
10:00 p.111.—-“Oll Pollution of
10:15 pun—Vernon Orchestra of
KDKA, Ens: Pittsburgh. Pt,
(32. Dieters)
9:45 a.m.—-‘Unlon Llre Stock Har-
11:55 gum—Arlington ume' sig-
1::00 Noon—Called States bureau
5:30 p.m.-—-Holy Week
0:15 pan—Organ Recltal.
7:15 p.m.—-”A Look Ahead Toward
services
7:30 nun—Selections by Weudnll
7:40 yum—National Ste-climax: and
Farmer Mus-kc: reports.
3:00 p.m.-—,Rullo Girl Scout meet-
ing.
8:15 v.m.—“Politlcal Parties:
From Jackson to Grant." Dr- John
W. Oliver.
8:30 pun—Concert b ythe KDKA
thtle Symphony Orchestra.
9:55 p.m.—Arllngton time signals.
Weather tomcat.
9:30 anus—Late 11sz and com-7
men: of the financial and commer-
cial markets. (Thls service is
broadcast every halt hour during
the twenty-four. except from T
gun- to 13 p.m.. When d1 Chicago
stallions ure silent.)
11:35 a.m.-Table talk by Mrs.
Anna. .2". Peterson.
6:02 pun—News. nmuclnl Ind
final markets.
6:18 p.m.——-’l‘alk.
6:33 urn—Talk.
spider-web coll and shoved them in
a. convenient rocket, when we got
around to the house. it turned out
that matters were just as anticlpnted.
Our friend had a'really good set he
had made himself. with good instru-
ments and carelul workmanship. But
when he made. the wave-trap. he hnd
bought a very cheap and very poor-
gradc condenser. and had used thls
with a. bank-wound coll that bud
about a plat of shellac slapped all
over the winding. And then he ex-
pected lha: sort of a combination to
tune sharply. His trap. by the way.
was the kind that is Illustrated 1::
Fig. 2. \
“’ell. we just took out that lplder-
web coll and wound on 45 tum o!
No. :2 double silk covered wire. and
we put our good L‘s-plate condenser
around lt. and hooked it ln in place
the coupling coll.
be sharper.
ten turns. .
Copyright. 1 9 2 4.
Relay League. ’Inc.
For using the trap on distant luter- .
fereuce, try using but a few turns in
The tuning will
0:: local interference
you wlll probably have to use all
American Radio
ley.
6 : 15 firm—Music. While
Band and songs by famous artists. 5;;5 p.m.—Chlldren'l bedtime
story told by "Uncle Bob”
“‘03. Newark. 3‘. J.
(405 Meters) Springfield, 31335.,
2:30 p.m.—-Metropolltan Mlns- (387 Meters)
treln. 11:55 u.m.—Arllngton time sig-
3:00 p.m.—To be announced. nals: weather reports: Springfield
. 3:15 pun—"Are Women Good
Citizens?"—Mrs. Marlon Booth Kel-
mtrket report.
7:30
Trio.
8:30
9:35
D315.
him.
been a
under
gen 2 rr.
but on
of a r
Nutlonal
Board~News books. ‘
and Will
"Traveled I "
to a. passenger who had questlma'
ports I don't know the inside of.”
7 “\Yhy. :mu must know a 1087M
“Yes; we did put in there on”,
Industrhl
p.m.-Concert by the
S:evens. --:
p.m.—Cencert.
p... .7—Arliugtcn
“2.1; '
time
“”0112! Knowledge.
(Malian Tit-Bits.) ' i .7
said a sailor in c w
"1 should think I ’ave.
l‘. rtr-und the world; over
if. too. fizrre ain't my;
t‘hy." .53 _,
1}" to can ship. "l‘ain’t m..-
1368. W132: I remember of. 33'
£3?
6:00 p.m.—Dlnner concert 'bl'
WBZ Trio. . '
3:30 p.m.—-Metropolltan Minstrels
You
7:00 gum—"Bringing the World
to Amerlco."-—La.te.news from th
I...
..—.-—-— '
tune
of his.
able.
out completely.
The differences was remark-
lt happened that the local
hrnadcastlng station was too close to
but the best
Geo!
Tel.
to
N orwalks’ Elec. Co.
.941 No. Main St.
297.3
'* 91:5. 1.. ,
Mtfier/l
Yea, he'l the'brldu {one of 2115
one. He entertains' thewholo
So. Roz-walk
green. Soft tafieta. has
colored worsted.
It
in
will gladly» turn
estimate of what
you. We are known as
bets who take pains
rapidly.
The NASH, RAYMOND _.
yo
on the i011-
“&"'D,EAN co.
2 flat Hill W7
A LEAKv 36°F aaovel
YOUR HEAD ? we'u.
coon
urmfleaksukustol‘fl’
If you wish we
lab you with 9‘1
the gelatin cost
the plum-
sud work
l
4,
have come gay
m '
New Bank 0!: straw hat:
DAILY Dm‘ERY T0
800’!!! NORWALK. 2
4 HIGHEQIEESHULS
cw Taffeta Frock.
Very stylish tafieta
frocks for growing girls-
brown, Copen, navy and
at-
tractive hand embroidery in
They are
simply though fashionably
designed and small daugh-
ters will be delighted. Sizes
white. 25¢“..me
Man's iniml hummer.
chiefs, good hem and at-
traclire initial embroidered
In stram' of :11 colon
new Easter
Tnmmed with‘ gm:
grain ribbon bows and .
they are of the
sort that will be most be-
coming to your young
daughter”: charming face
well In Milan: in diflerent
shades. Lovely collection.
. a.”
Second floor.
Our delivery car have: the
{tors-at 8 A. )1. each any and
a}! put-chum made in than?
(112
to time.
Smart Women’s
Coats
.An especially lovely col-
lection of coats has been as-
sembled' with great care
and efiort. These are for
the woman who wishes I
fashionable spring coat It a
modest price. All woolen
materials are used and they
are newest soft plaids? and
plain colors as well as
brightlr spring shades—
brick dust, green, cocoa.
They come in fashion’s lat-
est modes and materials.
$29.50
Second floor.
Fibre silk socks in plan
pink, pongee, orchid, red, bla
Fancy cufl socks, ribbed to the toe—2’s length. Colors
in the corner. grey, camel, brown, black. 76 cts. pr
25 Mung?- “Iv , Boys’ fancy golf hose in '1'"; length. Light camel color
1"“ ' with gay, fancy tops. 75 ctl. pr.
’ ' mu: floor.
2 Transparent
Theatrical Gauze"
Thisisthemabennl' which
has taken'the interior dee-
orating world by storm.
Very artistic, it is a. sheer,
openly woven fine linen
and in natural linen color
make: beautiful under dra-
peries. 81 inches wide. _
90 m. yd.
It also comes in three
annfast color: which niay
be used without overhang-
ings. Lovely for summer
draperies~l yd. wide.
Iraq- 75 on. “ 46 t 50 $1
7 232;" Third floor. yd. 0 “‘13 floor.
Many wpnt new Mel but do not
large expenditureofmomytopuyfor 1
you an get : few
basket and flower pattern has ur—
tion-yet c pattern you will not
In stack pm
A lovely
1&ij enough deco
tire of. '
Bread and butter plates
2 than I» Renate
5qu £65)
Children’s
White Dresses
My little girls will
want new white dresses
dunn' g the Easter season.
31?" iiifii
0 HERO 2
IS REWARDEDFOR
The
America Medal, which carries
it an honorarium of $500 his
uwarded to Kaichiro
superintendant of the
station at Tomioka, JO
prompt work in flashing
of the Japanese ea
; world. He signaled Sun
5 dxrect after all other f
communication proved 1mm
e
WORK IN QUAE,
Kulchn’o' Yomm
Radio Corporufiog
f
I
l
.Very new fresh white ' 1'“
voile: and marquisettes are - mt
. ' ‘ .
made mto adorable lace Fashtonasle Coats for x:
and ribbonptrimmed frocks. Girls , “F
They are made in models , g ,. , ’9‘
051: becomiu to un C035 0. Sjlt woolen ma- .“. 130‘
“f . 3 3'0 g tenals came 2:; a variety of -- 997‘:
gals. 51198 6 to 14 years. designs and colors. Light 3:2
. — , . . ~ :5:
$7.95 tans—p.331 and plalds as m.
Mona flow. well as many darker colors. ‘
\» This group has been re--
duced in price. Hick sprfiug ~
shades such
Copen. are also featured in
these costs.
s
o y I o m I r. O , .
f‘m“ “*3 “a“. gamma; 6 to 12 m. a mum Cluldren s Homery for Easter
We helped him—cold him ' ' The new Easter costume will requin new hosiery to
aboutthe unbearingthemo“ m MW! go will: it. .
mm” name in the radio ' . _ Plain color lislo lock- vii: turn-over eufls, Colon—-
wor —and we can help you. For women are wlme, pongee, orchid, rose, red, math, bhek and white.
1 too! _ good quality linen lumdker- 25 ch. pr.
; The clnefg filth medium hen}! Novelty turn—over on! rocks with light or dark
and mmal embroxdered m grounds . 35 eta. pr.
colou‘tuch as sky, old rose,
ck and white. Sizes 4% to 3
50 eta. pr.
Seasonable
Underwear
for Women ‘
Spring days mean lighter
underwear. Here are Swiss
ribbed vest: with built-up '
as green and .,
$9.95 5 .;
Second floor.
Novelty Chappie Coats
Popular new shart coat:
to wear with dretses or sep- "
arate skirts.
novelty cents in many dif-
ferent styles and materials. ,
\Varmer than a 5weater and
with very much style. Some
are fur collared.
These are
$15-$25 f
Second floor.
‘33“ "l
Children’s Stylih' 2 ;
shoulclaer and band finish. Footwear :
qizel 6 to 44. - f
‘” Tan Russm Calf Oxfords i
Uni 36 so: a” g 1011- 11 with splendid lasts will %:
. hm ti o] .]‘g t outwear any other play {2
was t cottoxu— ~ Rap shoe. Rubber heels. {‘9
shoulder or bodice top With Sizes 81,95» 10711 $4.50 .
cuff or shell finished knee.
Size- 36 to 38 59 all.
“ 40 to 44 09 cu.
Porcelain ~
msh' to make tlxe
whole set at once.
pieces from time
~ :0":
., mocha?
(t
(I
Patent Leather Pumps
and every mother will want
a. pair for her daughter at
Easter time.
* feats with cut-outs and
plain toes. Welted soles.
Sizes
I t
S (
Russia Calf Sandals, two
tone eflects with Heather
tongues. \Yell made with
Goodyear welt; and walk-
ing heels. The fashionable
shoe far sports wear.
S'mel
'3‘
, L .J--.::,, ,
111510 2 $5.00
21’nto 7 $6.00
Sandal ef-
81/3 to 11 $4.50.
111/2 to 2 $5.00
21,33 to 7 $6.00
811121011 34-50
11%“ 2-55.”
imbue.
Norwalk Chronicler