Springfield Leader and Press from Springfield, Missouri • Page 28

TIIE SPRINGFIELD LEADER. SUNDAY MORNING, MARCTI 8, 1925. NEWS AND INFORMATION FOR RADIO AM 1 AMATEUR HEARS OVER OCEAN WITH SIMPLE JBy Roy Grove NAVY PUTS IN MORE RECEIVING SETS FOR Old Ultra Audion Set With Low Loss Coil I RADIO CONTRIVANCE HOSPITAL PATIENTS Brooklyn Tooth la Touch With Australia, Jlfrtca, India and Alaaka. Medical Authoritie. Bellere It Ii Valnabla Aid Tor Oonraleicentf.

TWENTY EIGIIT RCOKLTW, March A )t year el4 amateur, ittin al th key af til r4l transmitter, talk lmnal 411 ta prtari An tralla, Africa. Europe, Aleak India aa a matter af rear' Th tiny la Kdward M. niaaer. a ktudent City Olleca In Nw York, prldnt nf th colUfte'i yadta einh, director af tn ron4 Hat Met aaeaatlv council ea4 dlvl aioa rnanerer far th lludaon aivl alo nf in en4 radio diatrtct )le at Ion a I nun, operating ana aa atalana th nf Ta metara Krivm midnight to marnlna la al ttnio, when amatvura ara alva "r4 la air aad wtien atatle and other form nf tniarfereno ar at their leweat. Then lap hi tranamltttag key an 4 eon rarelaaa fttatlotia In lha Pntlad lu'M a4 Oinada ara local ta Mm, though hay mtv ha Inn th Pacific raaat.

Ill "lY rearhee far aut Byn4 he Atlantic ai4 Pacific, and naif tray roun4 th leoe Tet tn ppratn throutrh Meh hear far off l4ia an4 ltw and ow gealand la a tlmrU three lube roaeneaitva reeati erl i efficiency, va yean filacer. )ire In the evtrem cere he tank la cintrottn It. la th naa af th r.et arparatua la the eit knent of pacta an4 In rararul work tnanahir. An4 th antenna. thrnnh wnlch IDtar ha ma4a hta raor4 both In tranmlaiAn ah4 rarapt'an, ronalaia a atnala wlra SI frat Inn; a lift a aa fot Iaa4 1n( 'ilapar waiially tranirmlia an Inpm pf ahftttt tAtt amtta, alihpnah M.

ino a ati mha ran ralaatMarnn attraMv. Ifla motor rmarataa IJa volta cnrrrnl undrr normal canal llona. IJatralaa la4. Tba raniarkabla rt of fllaaafa talton, hoaavar. la Ma raralrar or two way oommunloatlon naoaa Hiataa tuat a trrat afriotancy In iiaarint, aa r1l aa In Olaa4r haa oarriad tn Iwn wav roomiiinloatlon ltk nJ, tns and TI tn Australia.

AO, 4AA and lAU In Ni ar faaland. with aror rf atatlona In Knrland and Rtirnpa. llh tha Italian rrnlarr Sn Xlari alr.fi; tha p.val ot HraalJ, wllh VMV tha orftrlal ataltnn of f'nn aid Va. Mlllan tha alplorrr, alian ha waa In tha arlla, and with othrt aah dlalnat. atatlona.

ITIt tranamtttlny art baa raaokad ant te Inrlla, almoal halfway around tha aartn. and lo oihar dlatant tlarra In alL aava OUaar, ha haa Hmmnnlratad wttn amataifr In rrva rontlnanta and at aalnta la tka Almntr and Par If In. ftn rxaii. 1 Taara ara only for raralrfnt; at fa PolraHa. And that ara limited apaclal llranaa.

The Voice From WKAR I. B. HaMlnmtt Ii wr4 by thnt rfc tm in on Mlrhlfrui'a nw station at tha M.cMftan Asrlculttiral Cotlata In Vast analnir. Hasi1 aa It wall Itna wa ttiroiis'lk Michigan aa collar sports offiMal, aiti. hia plarby tiay storr bsfora th tntrmphena of sports svnta at A.

Is mada so 1ntaratln and vhstty" that ha has a larara foU I He Sect With Hit Finger Tips i I I 1 1 LVAV 1 Mowiard Shnrt, wur rtrran, of Syraru, K. la hUnl from hM wAuntli Mt SnUaoti. lut built hi own thre tub rmi.o rciv r. nmrrleil a girl triiom hi ntver icn, nor ht an hit twft xr tfi(l hhy. Hi built hli awn ill room H't mitaur.

play tht nophon and ra1i ind writes hy th HtbIIU mvlhod. And ha'i An official of a lodga. HERE'S SOLUTION OF WAVE LENGTH PUZZLE win of fans throughout th lotiM frr thosa. ih. rountrr.

riTTnrrRi3M. MarcH 7. ft. M. Klntnr, rsaarrh tnarlnssr of tha WftnilnR4inuse Ctimpariy, has tha solution tn tha problem of as sign In tr This tin hi ifi stumping ths parimsnt HMnr's In Its forls glv every tirnarlr astlna; "isiioTi an tqusl iijirf utily brond'flSt.

Klnther's Ma ti ta illrlrts Virosirsstsrs Into rlassss, and a of Mug all by an arhltntry allowmi' of 10 kilo ryolas, an tJia Commerea tpsrt menl haw ttli1 to do, he wotiM ttva the npr power hrnsdrters i a large allxwsnre nf Ifl kilocycles nd ih rast cnuld ts i'jmrstd by 1 10. Thus, srgtie Ktntnur, (hers; would hs loss fhnn' of IMrfr no among tha larger liroml' sNt ere or by them with (he smeller I ones. Aecordlng to Klntnvr's tabta, hrvad(aaters of from I to 10 kltn. watt power, allowing fr 1la her powsr In tlta future, would be In Class 1, between oo and 41M mstsrs Thers would be room for II nf thse Isrge brnsdrastsrs eS''h separated by 10 klloryriee. Haas I would contain station down to fto watts powsr, between 4Jt tnd htl maters, setrarsted by 10 kl1oyes, Rsvanteen rhnnnpls would avallsbla In this band, i but two assignments could be msda in tn sama time srra and there could ba two lima aross, one for tha and another for ths west roast.

Thus there would be possible asilgnnjents in this bsnd. Class I would Innluds stations of 100 to toft waits powsr. whose influence Is mostly loeal, Thers would be 4R rhanntt of 10 VUo. ryrles between 20R.S and 14 meters. Thrta times divisions ooiiM be al Halfway Around the Globe! ba thraa aaalaimanta of tna aama wavalanvth In aarh tttna dtrlalnn.

Thua lit ataltnmonta co jld pvaafDla la lhl rlaaa. Tha fourth rla Inlu4 n. ii lallona Valow 14 wart r'f ani titthtr powar'd atatlntta chat roniil nava fo awall aaafirnmanta any fit tha ntr rlaaaaa I filled TM Im nottid hnid nnliir.ltad numbar of aaatirnmanta ANOTHER FARMING COURSE BY RADIO rUIT LA HHI VI, Ml Marrh 7 Anolhar norraapundan' a rmraa haa takan tha air. Thll llm It a hrad'af 'raa lo railln tana t.y tha Ml'hlian in' ArliMiltirf hr. Tlia roura, la flaahd from alallon, 4 II, ai rvnlr, and la arrankd lo ar.r nlria ir avnlnira for ra'ti aulijft.

Tha ft rat mhrt la rl' u'luml tnglitaarlna; Alar thai will Mini atiMt auhala aa watr aupplr. aa diapnaal and matlmda nf p'iar. Than will follow lattiir! on p'ml. try. horttrtftiara.

noma trdfiln; fiirm rropi. animal huahandrr and aitinmnlovr, liroaid'aalln; alarta it 'h rvrnln. aaalarn lima nnd anda il I Tan rnaniliara of lha fnt ulir tllia raisll avanlnc I'oplai nf II. a 1rritirN ara mallad to thoia a. ii rnltlnR for lh rouraa and al tl rial aarh paflod ar'anllnnilon quaftton ara aant nut.

rarllfliltr will ha to Ihma paailnv tha taaia. MOttK rTAIIII TTtlJI. Italy anon will hava lunadi aatlnir atatton In all of It Important tM. A. Hull, formerly (hr tsilti of the Purasii Wls1 aHt, has rterfarletl a vs iiin lull thet Is enld tn emit ftnre etwlrntte ami thsrefnra he mora tttsn tht'se nnw In exlslsnre, Am Amateur vtattaaa ta the Tn 4 5tatr and Canada ar local ta 11 yea.r ald 4 ward M.

Olaaar, whan aa tracamU from a atatlon. tn ftr.irU'vn. T. Ha baa reached to India. Auatralla and Alaaka 'wI hia and haa hranl far Anatralia with hia a.nple rerelvex.

Glaear'a tranamlt ter. w.tu uSryi ahew a at th U(U la upper laiert II Qlar hlmialf. llelow hint la tit virii luti itVt AN EVENING AT HOME WITH THE LISTENER IN Cailaay a aaal Caayriaa IKS By Raaaa Olsaat f.lMiMn CO IN CENTRAL TIME 1SU INSTRUCTIONS FOR USE RtXOW) StHN Cm 'f SaM a kit sr! S. ei.a Dm Waaao. Um rvi rm lia I'll 1Aaaa FI Lm ata fa aras MiNkt4) Ct raw a.

rat. Saiio ir tmt IfF llu Kaa U. St 1 to, ow. iir lk4 Or at Ijm iMda falf iaXM Aa4rata.7.ur Mkn. lU'raaW tettmatie.ee tm SH gw ti al I II I MM i a.

il at ii a il mIi aa ii IS ae i It II It aTJ' it llaM aiaaM It It tS VI ant hmif nta ill p4 IFKIIII a il i aawM.uanai.Mww. iieW I s. I 'an I II ii I aa it if lf''EBFfi' IJM ha I It i SIM SIM 4 il I II It MI 1 tt la a 2L I II Mill a II Mill I i ii II Ml ftlhM MMllai. Hia I SI I Ml M) I. '15 WVr I kaj4 I I 1 ki i ill T.Z I 'a 17.

a la rir tr. i 'i, V.L 'mi is sS tn tl i ii tTl I A fuf i I tha 5 1 1 m' Out of thla enna lomrratlnn of radio pane, Hoy A. Weaaant, famona radio enRtnear, now aa aoclated with ea le 'oreat, hopaa to develop a new kind of radio receiver, lie Jitat llnke up pari, and whan th aat la completed It I chlld'a play In comparlenn to place tham In order. Th lower photo ahoa a Inalde and nutetd view nf A It la aBti Ia haan I racalvlna acta from enueallnc and 1 annoylna the nalahhora. UUIH KKJCr RTRCrOU Dublin ha opened a municipal aohool for radio opera lor.

It haa aranamlttlnc and racatviaaT atatlon with all aailluuiaa. V. IKM KKTA'aV Traa dlapatchaa win rontlaa ta ha lent by federal atatlon from thla cjktntry to other aTo th lacl(t beoaua cf lack at farivata I aiMaal 1618 Hi flow Set Designed I' St "1 'Sa: i vaM il 18 14 13 118 at it i if 4a a 't 1 eat bs la 11 AM tha fit Ufa ara in anlFjl Tims Kiifte jeif ih4j eran: 'it itia etfift taiai, ir wnn eft If Hia eaat VtO Heit. iuif'Sf( 1 tfa, en iar. tht isttr sure 14.

I iYiaa.l 'V, a 't wee an It i A commercial mad cast era. A new commcrnial broadcaster. A new bill provide lor UUa until Jun 40. 1141, WA8IIJNOTO.V. Marak Tha drlva to aatabllah radln In arrvlra man'a hnanltala thraofheul tha noun try haa baaa takan up by prl vala Inatltutlona.

For radio Ii now bain ua1 In rrw flald 'a rura tha alrk Mrdlral authoilllaa aiplaln hew II worka: A radle al kaana tha ratlant an ttrtainrd anil occuplrd II rSra up and k'rpi hi mind Ml trnt'hlaa. Thla Ma a dfflnllr fh' alcnl raarllnn and dnra murh In waril halplna him rrnvr. 1'ha fforamtnanl la hark nf lha hnapltal radlo drlva. and lha burnt. of standard la aldlna; In tha tarh nlral and nf tha work ri 't tha country' lanraat hrnadraatlnc alallnm ar eantpalajnlnt to ralaa fund.

Alraady mnat nt th nada In Wal tar Hard army hnonttal. Naval hna pllal and Mount Alio Vrtaran llu raau hoapltal. all In Washington. hava hrn aqulpprd with Individual radio art. Malarial for mulpplna; all tin aa vlra hoaplfala tn Naw Tirk rtiv haa haan ordarrd.

and th tnava. mrnt alma to furnlah Indlv'dnal ra dio apnaraltia lo avrry patlrnt It rvarv arivlra hnipllat In tha I'liil'il atalr. Tha tiatial avalrnt la to Inalnl, nn. nllflara in aupply tha anllr h'pl. tal.

Than ni pallrnl la au.ii'M'd with haad tVlrphn rn nharn ahlrh tr.av ha nard at will. T'la antpllflrra ara dr.ilnd tn tinnlv oftn haad aata In nnrrll l. At Wnllrr neail hnapitnl lharr nra Individual hand ata and aii louil apaakara. thaa uard In tha aaanihlv ronmi. Tha tnitk ti.

aU'i Inrlti'lra ttilrmptinn naaoj rir (tiainntiiinn of rtama 'vn tn th hivapllal and tklna for anynn tn iliV ca all itn pat rrli In lha aioitl 1 Ipmant raqulraa tha rnn (if TMIMHR FflP YOU KNOW ABOUT RADIO mis? and an elect Hp i aht vMee mnnN of rtat nFftnn, The (One: is end of the loon unHaM W'r' ta a ei sum pf'fii r4pr ir iy io ne Tftreaded i i ii tti at it aa sreeva and the tors button In the tl i. ST lnl.r at Hit pur. liil Iron Iht Vr aocka aerawa Tjr.y rf hr tl alT i 5 i 3 i 5 a Si! 5 hv tha aa of a K' 'S'SJL" 12.H2 JR 5 JaiJal Inad nf a around Tho rountnr jr ii :3 la ts h.nth tn. if Lf waa" a iw' n't aid rnnnfarnolaa la not prva ii VJJ iS IS 13 tii'iir is'ifl :r.v a' 1143'! ifti'fJ al 's J.sa 3 us (. i 2 i a Ti Ml I )' Mil I IK! IN' I I ft I II f.f l.i ill'1 "Ira hava no round noaa pilar.

Throw aaia hua tvlra In hat fir liae a wliorf landa In I lha nrlf aat mt t.ll'ld fiii the loeih. of the an ttii.n to nl. out 41 ffl If1 'iu te llnvi'ia iroiilila luiilf.e nut il riit lllona, i r.4 l'f I'l It It ft A lit' A aTtfrt. Blatlnn WTAT Hoaton la per hapa the nnlv aa anlna: land hrnad caeter In the cntltilry Th equip men! waa put aboard th roaat ynard puller Tamp racenlty. lakan lil mllea off Ilia rnaaf and teated fur liroadcaatliia efflilancy.

IIT AMI' TI'ltR. A variium liih" amplifier, main lalnlna a "eri tu arc, ha haan pnrlad In tha French Academy nf M. lancaa. The lube (a laJd to hav Ilia rn parity a 111 pi I I ai alnal mora than a billion tlmea. i IIAPIO A Mr.llllBPlMPIT.

nf the. Slate Naval acadamy at Annrla hav tn paaa.a radio aaamlnatlon hefor praduation. Included In tha requirement la the conatmctlon of a anrkahl receiver. nt atNKe oi Ain. Ilacant alnrma hava proved to btialnoa firma, a wall a othera.

the value nf rnad. Mny concern tiaad the radio to flaah ordera from city to cltv. whim they could not at throtih hy wlra. rTTTT 1 1 I lABATtl 6aTT. 1 TO ROTOR OF CANff OF A BAU TOSTATOQOFCi AN OHIO CONDINJIF.O FROM ROTOR Ot Ji aWV AlJ I MtiOK lil' or IXTIlA AlfDION iyiw.inHH rinnir innvt WITH I'KTAIIJI MIIOWINU UXtVV To WIND THE COIIA UELOW.

Mr inHAKl, Kl.ril. Tha old ultra auillun oln'ult back aa jlnl 'I'hla lima In mndarn draaa. Thli tlrrull Ii wall known amnnr maiauta nf lo and io yaara' riparian. a (or I la dapandahlllly and anl llvliy, avan with nna tub to brlns In illaianl atatlona. if rouraa.

Ihay un ha vary dlatant, but thla lit la irriiit haa ban knoan to maka a alatlun l.tinti mllaa away audlbla lliniiKh In nn tuha. With two atrpa nf audio amplification, tha rlrrult I aa irooil la many a aat ai lurira or laryar. Anw with tha Indurtanr windrrn aa a Inw lnaa nnthlnc; mora Ii to ha dralrrd Krw Part a. Tha part of tht raralvrr conlal of: pound No. 3D iir wlra.

I wood Mork. (till Inrh, II quartrr lnrh dowrl pin. i ooos mfd variahl rondanaara. ntf.1 fltM phonir cnn. drnaar.

1 mM arid rondanaar and I miiohm Irak. I tuha aorkrt. 1 ohm rhroatat. 1 hattrrv I JtH volt "ir h.tlrry 4 blndlnc poata. panal and haa.

Tha antlr art ran a ranatruotad nn a 4.lnrh by p.lnrk weirlaa. with a tarh hr lh pan I. Thar la aothlnaT naw la lb hook nn. rrpt th low loea roll. Thar rr mad In ona.

fnllnwa: Tha half pound of wtr honld rnnafat nf two attrtr poun4 aponl. arh of a dlffarant color allk or rotton rovar. Tf two color of th anm wtra cannot ha nhtalnad. riit off two lanatha nf tha wlra you htv. aarh II faat lonir.

Tiahal tha nrta nf ona lanath, A and It. and tha anda nf lha other lanrth. and Ii, rl'har hy tflnir a lahalad la to 'Mil and er any war you mar fit. I 'a th all Inch aquar of wood a a baa for th roll wind. Inv fram.

On It daacrlha a clrola four Inch In dlaraatar and dlvlda th clrrumfaranoa Into It aqua! part. At eh of thaa II Intar. linn drill a quarter Inch hoi In aa saotly uprlcht mltlon and Into arh hot at a dowal pin. Th pin muat firm and aiactly uprlcht. Now put th and of th two dlf farantly colored wlra.

ar nd A and of th twa Imllar wlra. to. athar an4 atart winding both to. lather nn th form. Start at any of th pin.

ciutelde It. then In aide tha rati two ptna. eutald th nail on, tnild th nail tws, and ao on, until th II feet of wlra ar rnmpletaly wound, with only a few Inchr Irft. Mww ta Haak Tp, II aur that th wire ar not twlatad. Winding ahnuld even nd firm.

th wlret ar colord or correctly mark ad. tit end of th primary wlr will eafllly' Idsntlflrd nf on color, nr A and and th end nf th aaconard al of th other color, or and V. On completion of winding, pour hot arallnar wax where th wlrea croaa. let It aolldlfy, then remov th dowel pin. Kaa a lae pntaanr wtr ara lha ralar af tka varlaata ai aaan CI.

Ko4 n. af th prtaaarr toa to th round. Wn4 af tha varlabl enndeneer CI and ta th rid rondanaar and leak. End D. of th aecondard oe to th aerattr trrmtnal of the A battery.

Priori direct lead ahould a ueea throuahout. If you ar not aatia flrd'wlth th reception at th ba alnnlnv. try wltehln; th Uada ta th A battery. Thle may ann hatter reaulta In tn individual caiei STATIC IS DOOMED I mmmmmwmmmm faiaTaaaMaa The Law it After It Which Meant the Jug If It's Caught INTIANATOLIS, March T. A reward may anon poatad for th arreat and conviction of italic! And If that radio peat la cauKht It will he the end of It, and lh healnnln; of heaven for radio fan! Thla la th Utopian dream irendered In th lalalatur her ly a hill Introduced by Repre aentatlve Htm 1.

Karrell Hart lord I'lty. Ind. If thi bill I paaird. th law will be after etallc. Flnt th law will ao after man mad ata tlc.

arcordln to Farrell. Then perhapa tha entlr cauae of thll Interference will hav bean allm Inated. Who knowa? FarrrM'a bill provide that all dlatrtbutor of lctrlcal ihall provld an Inapectton de Pftrtmcht to locat atid clear up louroe of Interference to ra4lo recelveri. Klnr electric wire ar believed to cau a araat deal of Interference In reception, who know but that the entlr atatlc equation may. be cleared up by enactment of a law Ilk Far The Powrrfal t.

lul OiM Motlrl ATWATER KENT Krrry ownrr a booitpr! IX ua drmonatrale open or cabinet model in your homo without roat lo yon. Hold on raay pajmcnla, at Phone 960 HURLDURT'S 313 St. Louil Strwt THE NEW GREBE SYNCHROPHASE A leader in the field of Radio frequency. In performance and appearance the Grebe Synchrophase ii aecontl to none. Tb Grebe ia eaay to operate, beautiful in ap pearanca and baa an unbroken range of aix variation of audio amplification ELECTRICAL EQUIPMENT CO.

Oa BOTTH AVETE PBOrTEa I5o lC Home of Jola Electric Waliln( Marblaet, Enreka Varaam CXeauaer aavd Krlvlaator.