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Page Six
.* XV*
THE SCIO TRIBUNE
WILD LIFE REFUGE
Four-Tuba Receiver in Which RF Stag* la Connected In Two Tube*. Detoe-
tor I* Regenerative, Fl rot Audi* Stage Retteiad in Parallel Stage.
Cl'«as:
Diagram Showring Sam* Circuit aa That in Fig 1, Eicspt That ths Second
Audio Stags la ths R«fl***d One. Instead of th* First.
By SIDNEY E FINKELSTEIN,
In Radio World.
bottom - jjuatj hwukt j Lw
For tbe fan who hav made many
•eta some variaUcn* on the accepted
theme* are very Inviting, hence two
circuits ar* pre*«-nted that offer en
couragement to tboae who itke to work
out aolutlona from augmented data.
Tim Orel circuit (Fig 1) consists of
a etag* of tuned radio-frequency am-
*d In ¡mnillel. a regenerative detector,
the first stage of audio reflexed In the
parallel conm-ct«1 tube*, the Secund
at a go of audio being "soio."
The other drrult (Fig 2). u*lng the
aatue principle, make* the last audio
etage the rofleted on*. The parallel
connection of the tube* in Hie rvflexed
(tag* I* retained.
<»nly on* reason for connecting tube*
tiTF ZT» (SAlCVi.AV
In parallel may be advanced—to make
By JOHN DICKINSON SHERMAN
land* are the ■¡•awning ground of vast
«rganlied an ambitious colonlxatlon them ehare equally the load of the
ANITol'MIE -UMl Where numlwr* of game tlshra. Including the
scheme which would have mads It stage In which they are connected
Manitou Ixives to Dwell— black bas* -''inch for Inch and pound
Rrttlah territory had not tbe Revolu With KF amplification so populer
would l>e s good name for for ¡(Oiind the gauii-st fl<di that i*ltiu.’
tion brought hl* plan* to naught; the often there la too much of IL so that
our newest wild life refuge. Alxl these game flsh need man's help,
North*e«t territory wa* established In distortion arises from RF caoaea, no
That's what the Indian For when th* high water* of spring
17H7. Julien Dubuque eatal>ll«lied hl* leaa than from an overburden of audio
recede
million*
of
»mail
fry
and
many
called It until the white
lead mine and smeltor on the Iowa current.
man discovered It and large fish—become laudlocked and
• Ide about ITSfi; th* first perm*nmt
Two Audio Stag** Employed,
‘'bought'* it from him. Ha perish, unless rescued and returned
■ettlement In Iowa was mad* liter* tn
A a th* teat la ono for reducing th*
to
the
parent
water*.
From
this
natu
official name, according to
1K30.
overload. If any, two audio stages must
the act of the Hixty-eighth ral H»h hatchery go million* of game
Lieut. Zebulon like. V. S. A., ex
be employed. Hom* may And that the
congreas that created It. Ashes for the stocking of lake* and
I* I p|>er Mlaalaalppl Wild Life and stream* The demand every year for plorcd the up;»er Mississippi tn lffiff»- I hook Ul«a as suggested will Improve the
quality of reception. At least expert
Flab Refuge
That's altogether too black ba»» I* something Ilk* thirty Ufl. Hr found the North Wet com
long a name for the mlllbma of nature- fillies the supply, for the bass doe* not |>any (later merged with th* Hudson's men ter* may eatahllah to their own
lovers, sportsmen and anglers who will take kindly to artificial propagation. Bay company) established In Minne aatlafsctlon which of the two me I hod*.
enjoy It flahermrn. you know, uro be In addition, the commercial fishing op sota aud aa far south a* I'ralrie du If either, give* them better results In
He shot down the British quality, and poaalbly eveu greater vol-
lieved to be e«q>eclnlly laxy. possibly erations of thia region luvolv* million* Cltlen.
union Jack from tbe post at 1-eech um* than obtained beret ofuro, when
Wlnneslielk Bottoms would do--In of dollar* annually.
honor of Chief Winneshiek, whoa*
Thia region Is a land of *cenlc Ixike and ran up the Star* and Htrtpe*. the four tube* were booked up (Imply
grave on a high Wisconsin bluff over- beauty of a kind differing from sur but aa a matter of fact tbe British flag In straight fashion.
looks mlle* upon miles of thia acen- rounding arena. It I* an “unglaclated floated over Frnlrle du Chien until
Constructor* who have trat board*
will find th* circuit* very interesting
leally attractlve region
oasis** left untouched by the great gla 1H1&—Great Britain di<1 n*t let go un
subjects of experiment
Th* change
The act authorises an exjiendfturo cier of the laat lew Age. Ho It waa not til she had to.
On early French map* la written involved In nuiklng one into the other
“f 11 ■*«*•,<»»> for the purchase of over planed down to a common level with
flowed lands on either aide of the Mis the rest of the region round «bout. "Mines de Flomb'' where Is now north 1S Slight
The set. In point of distance getting,
sissippi In Illinois, W'laconaln. Iowa Jo Dav leaa county In the north»eat western Illlnola In tbe early twenties
«nd Minnesota. from ll««ck Island to corner of Illinois. for example, I* rich ors waa found and a company will not accomplish any mor* than th*
rugged and picturesque
Th* Missis- from St. Ixvula and vicinity mad* a regulation hook op. Rut If a fan 1s
Wabasha, a distance of about
miles. A first appropriation of $400.- alppl flow* through a valley three to mining settlement which they fittingly troubled with distorted reception. In
Thereupon ensued a stead of introducing resistances acrons
'»> la now available and an agent of five mile* wide between bluff* that rise named Galena
the Agricultural «lepartmrat. with In place* to '(»> feet. There ar* many rush like that of tbe Forty nlnera, on audio transformers or condensers that
headquarter* al Winona, Minn, baa ¡wnnanent al «ugh* and bayous, and a smaller scale. It practically wiped rut d«wn th* volume, he may try
i«*min the survey of lands Th* aver In the spring much of the bottom land lYalrie du (Tilen »ff tbe map and mad* either or both of th* method* outlined,
age price must not exceed $3 an acr*. la under water. The wild animal and Galena th* metropolis and distributing and se* If he cannot get very clear re
¡«.Int of tbe upper Mississippi valley. ception without any reduction in
The secretary of agriculture will ad plant life Is varied and of interest.
minister th* refuge through the biolog
Ho beautiful Is thia unglaclated re Ry 1H3U Galena had SOUOBO people. St. volume.
LIU la a radio frequency transform
ical survey, which will control th» gion that six year* ago tli* Mlaalaalppl IxHila, setGed in 17M, had a popula
Chicago had twelvs er and Cl la a variable condenser of
wild animal and plant Ilf*. Tlve aec. Valley association. th* state of Iowa, tion of
retary of commerce, through the bu the General Federation of Women's house*. Milwaukee and St. Faul were correct capacity to tun* the secondary
1.2 throughout th* band of broadcast
reau of flaheriea, will control the Ash, dub* and other organisations begnn not on the map
Every land owner between the Rock ing IJIMIJi Is a Scircult tuning coll
mussels, etc. The public will enjoy a movement fur the eatahllshmetit her*
liberal hunting an«l flailing privileges of the Mississippi Valley National and th* Wisconsin must look back to in which Lfi ia the tickler. C2 tunes
L4. 121 la a by-pas* condenser, about
The Irnak Walton league originated pork. A private owner offered Io do th* council of 1R2D at Frairl* du Chien
an rnfd.. Ko la C3. R4 la a grid leak,
the movement, and with the co o|>ern nate the 123 Iowa acres forming the aa the original source of hl* title.
about 2 megohm*
Kight
million
acres
were
then
pur
scenic
keystone
It
*■■
priqumed
that
Ron of the General Federation of
The tubes are numbered 1, 2. 3 and
Women'« cltiba and other orgnnlxatloiia congress purchase U,<X1> acre* ap chase«) by the I'nlted State* govern
Hut congress ment from 3.(MX) reluctant Winneba < In effect tubes 1 and 2 represent
intnrested tn conaervation of scenic praised at $224,1*10.
go*. Ottawa*, Chippewas and Fotta- only on* atage In either diagram. Th*
beauty ami natural resources securod turned a deaf ear.
Thia region la historic ground, too— wntainls. Vncle Sam paid gffii.oun for Input I* to the two grids ami th* out
the congrvmional act.
fi,OUO.UOO acre* and sold II to settler* put I* from tlie two plates These two
Thia act la a at ep forward In a new a fact which adds tn Its attractiveness
for
.**• an acre. President Jackson's tulws should be of the same typ*.
convert atlon policy.
Congre«» until to all good American*.
special representative at tbe council
Tw* Tubes In ParalUI.
Th*
Fox
and
the
Wlscwaatn
In
pre
very re«vntly ha a refu«c<| to appropri
was Caleb Atwater.
He proposed
The RF load on th* tube I* partly
ale fund* for the purchase of national historic day* were the canoe rout* of
that It l>e made a Mate of the I'nlon
reservations of all kinds. Including na the Indian between the Great Mkea under th* name "Manltoumle." III»- determined by th* numtier of turns on
the primary 1.1 Generally speaking,
and
th*
Mlaalaalppl
;
they
portage«!
tional parka and monutnentn But
nola had tve*n a stste eInc* ISIS, but
thia act has economic features that where now th* canal at Portage con- Wisconsin was a part of the territory th* leaser th* inductance and ronpllng,
th* leaser th* tendency Io overload.
nects the two rivers, The Kock river
outweigh the »entlmental.
of Michigan.
Hut unless on* hss a ratio of at 4-to-l
offered another water route.
For one thing, the refuge la a nat-
Th* Blackhawk War of 1A32. which there may be loases. L e, Insufficiency
Jean Niroiiet in Ktty w-t-nt from
oral resting and feedltig place for ml-
Green Ray up the Fox river to th* grew out of thia “purchase,'* found transfer of energy. Assuming, there
grntory wildfowl, th* Mlaalaalppl being
Wloronsln and there l>eard of th* Maj. Zachary Taylor -“Old Rough and fore, one has tbs typ* of winding*
the groateaf of nil flywaya between tb*
"Measl-alpl**—-Great river, Fierre Ra ReaCy." hero of tb* Mexican war and moat commonly used. where that ratio
breeding plav-e* m t'anada and th*
dlsaon and Jean Groaslller ra n<x>d <>n » twelfth President—In command of la used, or something near It, there
winter quarters on th* Gulf. Vnder
the Fot and “< nil »con» Ing" to th* .Ml* F«rt Crawford al Pralri* du Chien. may be still quit* * tendency to ntk
the Migratory Treaty act water fowl
sippl and then went acrons country ta With him waa Ueut. Jefferson I »a via. too much RF work of the first tube.
are rapidly Increasing and ths neces
the Missouri; to them la due th* char later Preaident of th* Confolerat* Hence we will us* two tube* In parallel
sity of many refuges like thia la Im
tering of the lludson'a Ray company States. he eloped from the fort with for accomplishing only the asm* quan
lierativ*.
by Charles 11 of England In 1870 Harsh, oldest daughter of Major Tay> titative resulta Now. not to require
In aildltlon. the pearling, clamming Ixmla Joliet and Fere Mnrquett* In lor. In Col. Mamuel Thompson s regi th* use <>f any more tubes than wonld
an!
button making ioduatrifni ■ rr 1873 went down th* Ml**i«»lppl to th* ment of Illinois volunteers Was Capt the standard hook up, we must resort
Worth protecting
to reflexlng That often causes dlffi-
Arkanaa«. Father llennepln In ICT» Abraham Lincoln.
Ami aa to the fish, th* rofug* «III explored tb* upper "Meschaalpl" for
Manltoumle Is now accessible by cullies and If the reflexlng Isn't a
mean many million* of dollar* and LaSalle.
rati, road and wnter and ll*o within careful wiring job. with prwfier regard
mm h clean sport to the American
Jonathan Cnrver In 1T<*I was the easy reach of LD,(MM).uiw of nature for position and length of leads, all at
tempts to attain Improved results ar*
Overflowed b<itt.m> first Englishman t* •r** tba rr*i<e; ha loving Anierlcnna
Uncle Sam Buys
Lands Alone upper C
Mississippi
OXSJ
•
almost certain to fail Hence be care
ful of your reflex work.
Now, the Inst auilio tube hamlles th*
heavier au<lio hail. Maybe that Is th*
one that should be reflected, sine* th*
signals aro to be delivered Into th*
parallel -connected stage, which It la
assumed are able to handle them boot.
But (be experimenter may find that
the audio load Is not the troublesome
one The radio load hav lng bc-vn
»hared satisfactorily between the two
tube* (1 and 2). the reflex Idea may
be emb»»dled solely for the object of
avoiding the extra tub», and not for
remedying any condition due to an
audio overload Therefor*. In such a
ca«e, the first audio stage would be
properly reflexed.
Also th* lend«
would be shorter that way.
Fan* who do not care milch about
the coat entailed may omit tbe reflex
Ing entirely and use either parallel-
connected tubes In the radio atage or
In the last audio stage or In both
placea. as an experiment.
Tbe two seta shown In the diagram*
work well, as do the two other* *ug
grated. Tbe problem I* for the experl-
menter to decide whether the parallel
Idea I* worth while and If m >, whether
for radio or audio rraaona. or fur a
combination of laith.
To Use Neutroformer in
Your Single-Tube Set
Iler* la K. D. hook-up which Uvea
a unit the same a* a radio frequency
transformer in the neutrodyn* oet.
The roll 1.1 consists of ten turn* of
No 2« dec wlr* on a 3 Inch tub*
which 1* allpiied Inside of coll LX
Thia latter roll ronalat* of 3H turn* of
No. 2fl doc on a
Inch tube. C rep
resent* a 23 plat* condenser attached
to the L2.
To tune, writes a Michigan rorre-
spondent In Radio Digest, vary (' for
the wav* length variation* and follow
Transformer In Neutrodyne Set.
up with th* variometer for regener-
eratlon. Keep the two In such rela
tion that It la just below the point
where a rushing sound ia heard If
properly constructed and operated th*
set will give excellent result* on a IUU
tube with an electric light circuit
aerial. With th* aame kind of an
aerial and two FJO tubes a* audio fro-
quency amplification 1 ha»» heard
Mexico City, stations In California and
two (*uban atatlona 1 have a total
list of 8H stations
Fit Your Binding-Post
Panel Before Mounting
While th* appearance of the back
of the radio cabinet is not cuoaldered
Important. It la a satisfaction to be
abl* to show your friends a careful
workmanlike job of a binding post
panel that fit* snugly Into th* oblong
hot* cut m the back of th* cabinet It
la better to mt th* hole tn the cabinet
before you start building the set and
tlwn by filing you can make tb* bind
ing post panel flt exactly in th* open
ing. After that It la easy to arrow
th* binding post panel to the baw-
board so that It will meet the opening
In the back of the cabinet when you
hnve tbe receiver flnlahed
*