La Grande evening observer., July 01, 1922, Image 10

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CHANGE POTENTIAL
; TO OBTAIN SIGNALS
Way in Which This May Be Done
With Three-Electrode
Vacuum Tube,
For pvery filament current llioro If
n deflnil phi lc potential Unit will
give the Ntronuent sfk'tiniti. - Wlwn us
1 1 iK fairly hard tuhcH- hl-Mi vacuum -bringing
"lit tups from the Individual
"IK t tin (dale iii.' "11" buttery will
glvo viirlnliciiH Mint (i io Him euounli.
l'or very wift, asi-miti lubes, low
anient lends In connecting a socke
will bit disastrous lo t lie life of the
lihimnt,
4He flint lh filament rheostat I-f-tt.
io place (lie niiixiiuuu imi-tniit of
resistance. In KorltH with Iih nhiment.
Alter liisci(in!,' (Ihi tube set, that it It
properly sealed and tluit Mie four
pronm protruding lrom Him lulu lui-r
make good contact wlili lliili' repee
live contacts hi Hit tube socket.
If, after listening in Willi it vacuum
lube used an u detector wltli h ruled
filament current and pint i' potential,
no signals are hen I'd, go over Mie fir
cult iiu't'l ully unit Inspect nil connec.
Hons, contacts, polarity of licit It 1 1 1
"A" Hint "11" batteries, nnd tnko ii look
ul Hi grid condenser iiitd leak.
A three-elect mdo vacuum tithe run
In substituted for ilm i-r.v-.tiil as it de
tect r in tin i tuple radio reeeix dug
sot described in thl column a short
tillM' lltfo. Lsillg 11 VlK'llllllt llll'l' In
place of u crystal detector will give
a much louder Mirnul, ami n detector
that wlien on ct adjusted will may ad
POPPY FARMS
i'hvh evi-ry jiosslble enoouri S'-ri.-itl
In the sniuhiK of poppy In Mishlmu
district, Hie kuII ul' which l sn'il
id hn ; ei-liilly sililHil to the ciil'.i-
I' vatloh of the pin lit ami Cor Hi
jpasl six years the upliim industry in
this locality lias lioen very pros
Uurlns last year :i enn 01 irrit
a, i ...... .( .uiiiitin amy j. in'? utirur.rh i::is;ikii in mi' i u n 11 in it.u
, . ii 'j I fnrnlH unilor piiipv III Mlshliua iIIk- of the il;int ami flun kan n( uiluin
All ahurch notioo maijt n in ;;j trkt, on lln; JmIuiuI or riluknku,! wuh product tl. TitihuH alnie the !
the hnmlH of tho vditiir by 4 p. -i wlili h la IIih centHr or oiiiiini nr.). bIiiiiIiik or thm year huva Iii imi tal.-
ttllLULUNLMJLU
A- Hi
, Kriday n fie: noon.
7o 7utter
9
I.ATTRR DAY SAINTS Regular
wrlr at tln Tabwniwle. Sunday
iHrhwil romnu-nriiii at 10:. in a, n.
Sarniinmital mtrvlcM at 12:10
o'clock p. m. Mutual Iniprorainmit
AhhocIuIIou. Similiiy at 7:30 p. m.
PrlKKtliood and ltnllcf Soiloly incct-J
Iiik lit 7:30 p. in. l'rlmiiry aaHiiclu-,
Hon at tliH lubrnaili 'l'lifiHday, for.
chililron, 4 p. m. I'llmary ammria-.
Hon on north aiilu at tho llnl
chapi'l, for clilldrpn, Tliurwlay at:
4 ip. ill. Religion fliiHa at talnprunclo
Thui'sduy at 2::i" ami 4 P. ni. I'.c
llclon i-liUiK at Hip Impel on nori.li I
side at 2:110 and 4 p. in. Tuewlay. ;
Millar iiliolr piaitlro at th Tah. r-1
uncle Thunday at 7 p. ni, Tim pili-
lie la riirdlally invited to attind:
any or all of our servlcn David j
1. Ktoildaid, IliHhop.
First Church of Christ, Scientist. ;
Corner of First and Washington. Sun-;
day morning service at 11 o'clock.
Subject, "(khI " I
Sunday school at 9:4!i a. m. Wed
nesday evening meeting at 8 o'clock. '
Reading room open to the publia ev-
ery Monday, Wednesday and Satur-,
lay from two to four. All are wel-;
come to attend our, services. j
iliu turn In Japan have this yeur ht'n
dooreased hy about 6u per r.i,
!K a" compared with the arm oi!ii-
vatl last year owIiik It i tiaiil Ln
a revision of tlm law refrardini; the
sale of olinn. When tile intpo'-N
of opium ror llieilieai' use. were Htip
ped diirlni,' the voir, the eoverti ni' i:;
Inn a turn lor the. worse.
SMOKKI) "(lit 82 T'CAUS.
WAI.Wt-a-TH. Kn Henry Smith,
! tuill active at 102, hui smuk.'d since
K was 0, has worke l since he whs
1'!, but never has drunk intoxicating
I'uner.
PRICES on Tires, Tubes,
Gabriel Duubbers, Bumpers,
Spot Lights and TireChamr..
Over stocked andi must move
them-We want your repair
mnlra at rnf.
business on any m"""'
Our Guarantee is what you
need on your repair worK
Home of the Chevrolet and
Nash.
BLUE MOUNTAIN GARAGE
AVERY KARRISCN, PROPRIETOR
Celebrate
vttcmiin, a Hiht i'C(,'iita I Ion of "If hat-U'l-y
pott'iillal Ik r-t ul rtMl and Ik must
wiflly ottinhiptj hy incnns of im "A'
hungry potintl(mit(r. !" i j-r. 14 shown
how an "A" hut! ery pn'nlhin',ti,r Is
fomiw'I'Hl In -t lit" lifiiit of a thrt'o
ch'rfrodc vticutua tuliH hi jxivi' lln va
riation In Hit plant rlivnlt pott-nilnl.
'l'l rcslsian of an "A" battery po
It'iilloniftcr xhoiild hi hutwotn 2hi nnd
fpiKJ ohiii. Hy moving tin Nlidor on
tin "A" hntli'i'y potentiometer a vn
Vlittloii at plate voliugrt eo.ua 1 to the
"A" buttery, or about nix volln, ran
In Herured. . If tho Inbi ttuitnliH kuk,
tun hltfli u plntf volt an will causa tin
tube ti "buck-over" Mint In, (lie (fa
In lonled ami becomes a conductor, ul-
Jiiled. The material which wl II be
n'iiiii-ed to do this Is dm follows:
One standard vticiunn Hocket.
One Mn.ohm lilauient. rheostat.
4 ha grid rnndenser and Irak com
bined. '
Three hlndlni; (josts.
A Koiin e of jllaaient current nnd n
Source of plate potential.
,Nchiiiinth ally the set Ih eonnect(i
up tin mIiowii in I'lir. lo when used wild
a I luce elVctrode tula; n a detector.
This net, too, can be very con
venient ly mounted on an S hy 10-inch
base, laiMitillnic the tube Rocket with
the lllameiit rheostat beside If.
Ill a Kreat many of tho usual re
reiving ciriult used the no-mi led de-
lowing mi excessive current lo llow to
tlio pinto elicnlt which will destroy
the, elements.
In iisImij; n vneuntn ttiho circuit fnr
the Irst llino, always check the cir
cuit to hco that "A" ami "11" halteriiM
liro connected to their respective ter
minal on tha socket. The maiUlnus
on the Miiekft tire plnin mid cannot hi!
mistaken. IhtcrchnuKln; tho plate lil-
ti-ctof nil a functions nnl only as n
detector, hut as an amplifier and dm
an oscillator, as wilt he explained
later.
There will also be printed il tnhle
of symbols ued hi drawint; dlaurams
and thus the different parts and unite
rials used In these dlairrams will bp
readily understood by those who are
unfamiliar with these terms.
TIPS FOR FANS
SUN DUST IS A "RADIO NET"
A meeting tf ivpresentnl ives
of stations within .'It 10 incieis o-'
New Vorii ami New Jersey a--called
to prevent radio "Jam"
in the air. Souk; of the sueei
thlia's that come through iiais
tune iJiimnK'd lip (he eiliei-.
I-or use across (he wecondar..
of a Inner, nucIi ns the hone-,
comb colls, use ii conden-M'i- .
tenty-thre plate or less. Tlh
less caiailly used In the sec
ondary circuit, Mie better wll;
Mie set work.
II', after wirlnj,' up a set, you
hear uoihinu hut a steady bun
In the receivers, you may In
very sure I hut there Is an ocn
circuit Koiuew here. Trace on
the wiring carefully and siim
little fault will present it -elf.
The f.o-cnlled "spauhetti" tuli
Iuk, If placed over bare w In
Msvi in w irinc a set, will ini
prove the inp'aiaiKe PH pi i
cent nnd redtu-e the dnimer t;
fihort circuit h,
.More an. moro are the radh
fans turulnx to radio Oo.ueiie,
nmplllleatlon Instead of audio
freipieticy. The chief nn-on ,m
Ibis lies In the fact that in
rmlhH ivipioncy ampliih at Ion lln
luconiin-: signals are uinpHlict!
before i hey reaih tin ilctectnr.
where they are rcctifle.l. whllf
in Hudio-freiii ncy Miey me mn
plilh-d idler reaebini; the !
teetor. In tbf ihst method
naln Mint lire very weak are
bnnmht in, whereas in the ho
ler inethd they would prol.yl,
Hot he heard.
London Profeisor Evolves Novel The
I ory of the Atmospheric
Envelope.
Kh-ctritied ilust thrown off by Mo
sun tonus an atmospheric envelope
nbot t the earth about UK! miles which
pn-Miits wireless waves from escaping
into Infinite space, according to l'rof.
.1. A. rioinim,', I'nlverslty clle.v, Lon
don, where work In wireless is known
ad ever the world.
Tie screen made by the dust, he
sa, iiMs as a sort of wireless speak
Ini: inbe and enables wires used I'm
hmn 'distance wirk w hlc! are about
ten miles in length- to travel C.iUxl and
ll'.INUl miles.
If it wen not for Mint n-Tcen, ac-conlin-;
to the professor's theory, the
wire'e.s euriuy thrown mit by the
Mi: scndiin: towers would not clinc
to the earih, hut Would pass hwii.T
and hi bwt.
Zion English Lutheran Church. :
!(.' M uvtnue. Rev. R. BoUd, pas-
tor, ftho" M avenue. Sunday school1
at 10 h- m., 'vith enrollment of on-j
lirinntiun '1uhv. MorninR", Kervicen
U n. m. Kuliject of sermon ,".Scck-j
ing the Lont." Luke 1"). 1-10. j
Chiistian Church. Preaehinjf by;
the pastor at the morn in hour, "Vls-i
ion and Londership" will be the sub-l
jevt. Bible School at SMa Old Mnnj
Summer Slumpaki- is about aain. We
will peed the whole bunch to keep him
away Sunday. He in the only fellow
in all the town we do not want in
our Sunday school. (). W. Jones,
Minister.
We carry a complete line of
Flags in all sizes. Ranging from
1c to $4.93.
Bunting Red White. and
Blue-13e.per yard,
Cap Guns in single shot and
Repeaters. 20, 25 and 28c.
Also caps for either style.
ANDREW'S VARIETY
STORE
rfical fiift
(
$ L.I ... J J i
X 4 sfflSfc 1
To d.li -lit iliu' liinistvvifc or hriiiR real pleasure m the skilled
lisetliatiK-, i:o cilirr selection for a Christinas Kifc is likely to
be so saii'la-turv r.:i a reallv useful tool or picte of cutlery
sel. cn il trom tlic old reliable Keen Kutter line which we
sell. More, than 50 yc.irs i.f coiiscieiitious endeavor to
'make only the best is belli ml each article which bears the
Keen Kutter trademark. Our stock at this time affords
licit ,y attractive items suitable lor Christmas I'ivinu'.
Oregon Hardware and
Implement Co.
Prtsbyterian (,'hurch What make
America at ? .Another annivers
ary of the birth of this nation will be
celebrated next Tuesday- We have a
Kieat nation. What are you doing to
make it better? Let us show the
newer Americans what the real Am
erica is. Lit us be an active force
for Christianity. Tomorrow ntorn
intf in tho Sunday school and the
morning wortthip the minister will
have something to say nlong this line.
Iho quartette will have special music.
Iet u make the' day a' holy holiday
by our attendance upon divine servic
es. In the evening the union ser
vices will be held in the South Meth
odist church with the Rev. A. .1.
Stunner preaching. Come with oth
ers. W- C. IrUiss, minister-
St. Peter's L nineo pal Church.
Corner Fourth and O streets. July.
2nd is the 3rd Sunday after Trinity, j
We shall have the usual morning ser-l
vices: iKarly Communion, 8 a. m.;i
church school. Jl:4;; Holy Commun-i
ion and sermon, 11:(!D. In the evenint;
we join in the union Ktrvue at the
Methodist Church South at 8 p. m-,
at which Mr. Sitton will have charge
ami the pastor, Mr. Starmcr, will
pteach. All nre invited- Let us keep
up Sunday duty as well as we can
during the summer. Jos. W. Gunn,
rictor-
' For Shoes That Are
Different Try
The ' Bootery
A Paradise for-Tired Feet
Grovcr Smith, Mgr.
CLUB WOMEN
NMN COUNCILS
r0tf0KjrMjf0irj ijorrf'fjv
Turn the Corner and
Save a Dollar
Shop early Monthly nini-niii"; and
avoid lilt' rush. We will have eveiy
iliiii:' y ii need Tor that -1th oi' Muly iit
nic We close all day Tuesday,. July -111).
riIA,IJT4l!OHA M V ltv i
The formation of ligrislalive eoun
cils, entrnlizilli; the power of the
VlirtlHW U-imi.Ill'u fipirtiilivi.l ....... ..e ....
ery state, was diseussed Thursday, at
inc Dieniiiai eonvention ot the Gener
al 1-Vderation of Women's C lubs.
With Mr I.'.K. .1 l.'..n, u'i.:,
assistant nttornev jreneral of Indi
ana anil eliiiirinnn ot the le.leration
resnliitions eoininittee, presidini;, state
chairmfii of leKislation describe'
prndinjr leuislutiun of eoaeevn espeei
ally to women.
lhe outlook fnr eivil service in the
Mnit.ul Slt'lli.u U'nu hnmlml l.e
Thomas Stirlintr, United States sena
tor i nun Miutn naKota, and Kayimmd
Robins of Chii-iiKo talked on the out
lawiv of war.
Klr vorn scit win look better. Rivn
" you ImiKesl si niro when you semi Jjy
r.v 01U" sl',','i"l'z'd service. fflfCV
4T
HOLM
GROCER
Quality and Service
CATjL MAIN 43
: i
WmJf.m Mt irV fAMMH
H ii itvat p v
. m ftiiAVirti It!
How Big It an Electron?
, One cry noteworthy experiment In
nica urhii,' an electron was performed
; hy a i American, l'ro(e-sor Mlllikiin of
! t'hicipi. lie IntrtMluced n minute drop
j of ml or about Mn.tKMth iii. u iii dinin-
eter In a chamber between two plates
: who-1 electrical cluui,; was subject to
I com ol. The drop of oil was strongly
j illuminated and was viewed with a
tele- ope. Jty controlling the poten
tials nt the plates Me oil drop could
he n.ade to full or ri-e at will. The
th'o; t out i una My picked up and lost
eiet ei s. As it picked up an electron It
Weill I move toward the positive phite.
My c; leinMv oh-ervin? the action of the
drop of oil. Mllliknn was able to deter
tiuiu verv at i-iiratrty the charge added
to it by iis pickinc up one cleetnui.
t
Conunencement Day to the graduate s a day long to be renembered. ; Con
nect these memories to your friendship by giving
IFTS THAT LAST
We carry a full and complete line of high grade Jewelry and Diamonds suit
able for graduation gifts. See our selection before buying.
And Thy All Disappear. I
v.- miipnt r u,o pi,, fB1.orle ot !
Jrlti.lh'iimoimts to over n inllllou mil. I
Hons r pins n yern fls-ur,. which
nnuM in ion yenrs over every town In
the I.Iiii-,I,.i,i win, . I,,,,,. ..,
J. H. PEARE & SON
Establisliel 18S0.
The Reason for our Substantial Growth
is our Substantial. Service
- : '--''f
J O B O Q
The
Birthday
of Independence
July I. lil-J'J will lie lhe 1 Kith Amiivev
saiiy (i1 lhe siyniiiii of the Declaration of
liiil(!eii(ti mi'. The wisdom of this act,
the i liaractei- and strength lliat it save
this country lias well lieen proven.
The saU'e aruunieut ol' a firm vow made
for the purpose of protection fop the fu
ture, applies to the individual. The suc
cess of i! may he seen in every tlav'life in
those whom, years auo, made their Dee
larai ion to save ami pr tei-t their future.
An account here leads to financial in
dependence and strenutliens your credit.
We will lie closed Tuesday, July 4th.
United States National' Bank .
l.A Grande, Ore.
J
b'i ill III' lies ilvp.
l!i:l 'IHi: WANT AOS!
ft,,jyrif.i -Ba' .?a