Evening Star Newspaper, September 27, 1925, Page 29

THE SUNDAY STAR, WASHINGTON, D. ¢, SEPTEMBER 27, 1925 29 RADIO SHOW GPENS savcrovssweows woroswow] [EXHBITS TOSHOW || Joho Smith and His Radio | " ssre meeror St srnn 1 nu | ! H BY FREDERICK C. RUSSELL Use of 300 to 400 Meters Within;One f)f Class B Also Licensed Dur | Car owners throughout the world have #.llowed Jokn Smith in his datty | | 200 Miles of Shore Would | ing Week by Department motoring—and have benefited thereby. Now he has taken up radio, 1 and is willing that Ids felbow fans should be amused and profit by Ma Be Curbed. GL CRmni Rl S k: " Uh 5 ! evening experiences. Smith has a faculty for “finding out {hings.” so Throughout the development of ra-{ In additlon to one class e . | " | it will pay radio devotees to follow him in The Sunday Star each week. dlo broadceasting, interference Ly sig- | licensed this week, the Depar: All Latest Developments to : Earliest Instruments and | e From e e apbroucning or |of Commerce tiat o e A : & . 3 FEESL == i : {leaving American waters has been a | new class stations, Two Be on Exhibit—Entertain- 5 R ; Their Development to Be No. 53—Seeing Through CW. ‘They come to an end,” Smith de- | bane to fans und broadeasters, Now 3 ; | clded. A single disturbance can't set it is to be stopped. Smith s a radio fan through and|yp o perpetual motlon. After a rea-| In anticipation of a formal agree. |l ushard Dry Goods Co., Decat ment Features Many. T | g Feature of Exhibition Here. |throush. Whenever he fsn't rudioing | sonable perfod of time, following the | ment between the United States tiov. | Ill, 270 meters, and KI< Fisho = sl i £ he's thinking radlo. It was while pur.| dlsturbance, the pool or the ether|ernment and the authorities of Great | N. Thomas, Laramie, Wyo., 27 suing the latter course that he hap-, Would be at rest again. There would Britaln and Canada, the Department | meters. pened to go back to some of the fun-|be no waves to pick up anywhere.” of Commerce vesterday instructed all| The other 5 new cla A vast 2 of radio prog-| | X 3 A huge educational display brought | g o 0 O B O he had rusher i o = supervisors of radlo to advise opera- | KT s R T3=s >ill he spread heforo the public to Washington by the Radio Corpora-|in o hurry o get come practical ex.| . LiPlains Damped Ware. [ors of venseln fiying. tha American | Ores.. 293 meter fRomon, Nner W ash gt o] ; i tion of America will be one of the | perlence with recelving. o | picovells T explained, “that is your| flag to discontinue, beginning October Washington Auditorfum. Refinements 4 4 sallent features/ot the second' annuat| When any radlo fan goas back to| L7/ 0t RS KNOWN 88 @ daraned| [ the use of wave lengths trom 300 to | 260 wmeters, 100 waits: REE e : e O anen tomor-. | the fundumentals he goes back to the | Wave. You drop @ stone in the pool, meters, when within 250 miles of | Flatbush Radio Laborator. . radio show, which will op ve because, while the wave | diSturb it by setting up a chain of | the coasts of Canada and the British | th blic will be sho for S| \ o » P o 31 he publle will be shown for the first 3 row at the Washington Auditorium. |is the stmplest of ail radlo communi.| WAves and witness a return to normal | Isles. Similar nstructions are expec time. The keynote of progress will Just s soon as the waves are damped | ed to be given immediately by Great et o ; ¢ & = eceivers, from the | cation, it is the least uhderstood. For 4 o . 3 ‘,'.,’ essed in each exhibit. -, flrfi’tl”(l‘cl:'li‘:c ::nli;’e :‘“ 1501 down to the | practical pnrposes we view it as gn|0Ut. Without half realizing it vou | Britain and Canada. Wilson Printing ranhe show will usher in the 1925.1925 i B e Tat1® ata weill bo shown fn | electro-mugwstic wave wnd let ft go| Mave explained to yourself the nature| The Department of ‘Commerce has | rishurs. P radio season in Washinston and it is < i : D S as Mew AN of the original form of wave used in|signified its willingness to enter Into| The new class oxpected 1o eclipes in magnitude the ; his exhibition. which has @ ehe| . However, some of the character.|Tudio telegraphy. a2 formal reclprocal arrangement. | Thursdas is W1AZ pretentious iaicial exp ¢ con. gleaned_{rom e feadio Corpo. | fstlcs of these waves. whatever they | *The &park transmitters which were | Which will tiake permanent the elimi. | orparation Yention Hall in ;II{.‘-“'.‘,'\ 1“\ . ‘1 ;.‘1;\: Fred Huber, president of the Radio Merchants' Association of the | i suales VY dlo concerns mow v are, teem to be far less of u | former] ; sed exclusively for radio amln’n 1.5 s}}.‘;, 1-35111'111.;11:\25 Within | meters, 1,5 & Sl he Lountry s leadingd pigtrict, and D. N. Cragg, secretary, who, with other members of the or- | gut of businats, Detectors, wave- 2 i ieardicadipt engt: | SORTIUIeation sat| upd pericalo dis ||| Tenbrosceastigibans | The ' aelections iwhich i tacturers, the show will] ganization, made the arrangements for the event which will open tomorrow | meters, transmitters are shown in s s transmitters” | SIEbARCEs Which created waves that) | made this month in the 5 \ttractions and the educa. | Mght at the Washington Auditorium. early forms, proving t radio is far | and transmitter and it was "3;:1 ‘;‘*t'm('rilp-flve ou "s:t“ddlfl:um: = | statlons enrolled with the actions and the educs E e y y naturs v v 8 T Wi > dots and ent & 2 fonal display of the Radio Carpor B ofithis naw e ]‘a’:&raln‘t‘;:h:‘ dashes comtng as the Individual :.:jt;";‘;fi‘ oo amateal ot copping (RS, SEE SAPRRE 50 C et i ie fivét cornmiext se . ! the e shot Spewl beerled dabnel T el e b H he continuous waves into dots and | Lembe i R PITTSBURGH U. STUDIO |WIRING TO BATTERIES t Is in marine operation. In u epe matter. This . was something wiich | Kuccessive trains of waves were built | {7108 €OBIIONS ates s do These will be announc i eal to Women. sectlon of the show may B y d usee 5 aer- | e a v -3 und then vary them enough to cari ———— b e Sl standing, just as one would picture| “This sort of thing has given way ¥ 1gh - mortc e 1| TO OPEN SEASON OCT. 5| PUZZLE TO AMATEURS | compiete maurine (rupnitier 2 vell | aniing, i, s e wowld piccare |, e, "0, 00 08 YL S30G0, W | Vardlons comrespandine o i ‘e | SPORTS SOON ON THE AIR e e \v"'\‘\.‘;hx;!: TR e Pl e seen 4 working | @ four-cyele automoble engine. wave In radio telegraphy, and in radlo | 1 r".'.;?.fl"?i'“r’l,f(fu‘i’;‘“"';k i ‘; e | : ‘s expecteq | KDKA Station Officially to Usher | Transformer Leads to Grid and|model of the hig s PR e bl gl hatbving o g 2 e fndnaped wave 1s used | 1¢ you were a little nervous in drop. | e ndre men to the| j = g receivi ) i i bar b L i pve = x meshod L Hing ones ter i as all W B iy (omen {o the | in 1925-26 Broadcast Program Filument Made Clear for Ama- | Feceiving ap s the Visitor will| After that, however, he was stumped. | are created with such regu-| PIOE, the atones in the water and ir SzraxliSsesons for ROt ALl k.l ovide o featu ; g o o : out on i All of which accounts for a hurried | MTity as to produce a continuous dis. | the recelving device were sensitive ber particular interest to feminine for Coming Winter. teur Set Builder. see the me punched out on & m«»-um_.\tf’g g e gl : murled | Curnance, so that. ench-wave tn vi. | €nough, it would record those vari Open October 3. rts, a fashion revue spo tape, and run through the automatic 8 o/l tha, I et ione: s i W astiheton ‘The University of Pittsburgh Studio ie radio fan who “bullds his own' | {rankmitter at o speed of one hundred | Wise dull eventn; tually identical with the one preceding . he annual s vert, will take place daily KDKA will “come on the air” Mon- |is often at a loss to decide which end | . P e, finally being received T thought all radio w were con- | OF following it, the only varfation { 2 il he station a6 willgst anacquine il Tee O Qay evening, October 5, to usher in |of a transformer pr hould con- |1 or s e, o pen” on the | tinuous,” Smith eald. “Wasn't that | belng in the distortion caused by the Boce Ty the olr transmitting a cartler 'groe Qctoher:3 When several of 1ng in feminine creations. The mod- | Officlally its 1925-26 season. nect to the “B" battery and which 10 | 3 fiator. the picture you drew when you liken. | 8ound values which these waves carry fealy el "ftfi_"‘;m Ien, & Com- | early foot 1 s will emerge upon the stage from| . The result of last year's broadeasts{the plate terminal of the tube. And [UHEUNSOT s Fesplattied ed the electromagnetic wave to the | und the distortion due to fuding and | PATMliVely weak current of the mi|ycar the Lattery compartments of . giant | from the university was of such suc- | he is equally puzzled as to which end Factory Details Expl g wave created in a pool of water by | interference from external forces, Waves going out Just enoush to mate | [oloWing week superheterodyne receivi 5 cess that arrangements have been |of the transformer secondary coil goes | Coming to commercial developments | dropping in a stone? Those little Tou Bave the analogy; tn: the pool | FVSS €00E OUEJUst Cuolsh 1e Take | me The show will be z -olv | made to expund the number of pro-|to the grid of the next tube and which | of today, @ welder for welding in place | water waves can be detected all the | Of water. Drop stones of the same Fartatong ‘,‘.h'“ = "p -d"‘rr’“ l'_; criptions of th - o | grams this year to five week. fto the filunent. The following will [ the filaments, plates and grids of|way to the shore, and I remember dis. | 5lze from the same beight and with | LAVRCIORS (ese Cortespone 1o the | from the fields of the District. A nts have | Talks, both in series and in the form |clear up these points: tubes will be in operation severalltinctly that you told me that it was | & certainl regularity and you will set | Sound vibrations, are picked up Washingto: been made to turn the entire 1v|v;\-c‘»d\ of single popular discourses, will ac-{ The outside end of the secondary |times a day. A lecture telling the|tha ability of the recelving set to|UP a train of CW waves. “Now if you hr;mn:c;r}" e dl-r;;"f “:]‘{““ H In addition to ance over o ['cordingly be given to the students of | winding should go to the grid of the | features of tube manufacture and ob-| pick up and amplify these minute | Want to trhnsmit a message to some S ‘_,‘_mu”x! ,"M ‘nh(_g “"1 r" a1l which will take . the radio campus at 743 every eve- |vacuum tube. The inelde end of this | eration will be given at this tme. | \waves at a distance from thelr source | delicate recording instrument at the found vibrations and then are changed | games direct from s —not - '« ning in the week except Saturday and | winding should go to the negative fila- [ %till more indicative of the present| that made radio telephony, possible.” | edge of the pool all you have to do | info sound vibratlon: as good | tuRILY to avatl but for needy persons i 4 ment or to the negative (—) " bat- | s the broadcasting station. A 100- 11 right,” I replied, “but what |Is Stop and start the process in such o i;u it e mfll ong | Wired reports o own homes. 3 Bowman, chancellor of | tery (when cne is used). Watt “eonimuons Wave trAnSmitier | Lappens Giter the waves reach their | way as to chop It p: Loni periods, (48« concert fo Smith. It might | gy I Prizes for P ; i niversity, will inaugurate the| The outside end of the primary | used, this having been licensed by the [ 1inyit, cven assuming that the original | or short, of the continuous waves | hute been a dull evening for most|ihe several new _ Prizes for Popul: {1925.26 season of broadcasting from |winding shouid go to the “B" Depirtrent of Commerce under the | disturbance was suficient to send | Elve you the dots and dashes of the | Fadlo faus, but the ) to him it e A ifll{’ cup and cash prizes will be | the university by speaking on Mon- | (plus), and the inside end of the pri-|call letters WEBL. We Lntertain|some sort of falnt wave u!) the most | telegraph codes. | was as undamped a self. | the direct-from-th awarded in the many contests to be | day ev ."October 5. 1lis subject | mary winding should go to the plate { prosdeast Listeners, it might mean.| distant point in the pool of water, or : e - - = e | arranged by teatured during the show. One will | oo wo Ferre Nomments." St | oF the tube. Tihis iives the lowest | Hrot ot L s deliverad {rom | in the ether. depending upon whether CW for Radio Telephony || Next week, No. F4—Friends Buy a | $7HF5 con: of a public ballot to determine | capacity between the grid and the | iorage batteries, making the opera-|we are talking about water waves “That's just for telegraph m;;»r'.’ag;:,hf'-w,; by the Ullman Feature |Other stations the most popular announcer at WRC | e = == |plate ends of the windings, which|ion" of the transmitter . especlally | or radio waves?” radio telephony the em is a little e ernier ) . least the w and WCA Another will involve 5 7 lowers the effective capacity across|eniooe),. The wave length used s voting for the most popular n ” | be placed as far back as 50 feet from |tha coils. B T Sotas. taats of the last tertainer appearing before the ‘ro- mir(‘l“e“‘?‘% 5 N s St = {hls station was heard over a hones of the tations this ye; SO RIIDEL DOWL B i ousa at night, and hence Still another prize w o the st | signed for alternating current lighting| GYMNASTICS FOR EYE. :lh‘:--_‘“\:w::zd o hbusands appreciated Aip | star: (A mains Will attract & laxge Smonnt (of Wil bo able to hear it in its leading prize alsc »e awarded to the most | technical and popular attention. Sets | AT b 5 eads D S0 rill b awiarded to the MOSt |\t operate directly off lighting cir. | Help Short-Sighted Cases, French location. A regular radlo progiim ® i v. The i = 5 5 £ B {1l be put on at the radio show. T Contar R ® | cuits, single controlied sets, new and i w P e ered its once: 4 Improved style: A Doctor Holds. best local talent has volunteered s, 3 ciple: 3 v con- >ARIS . g 3 services for this feature. tors, new prin ttery con-| PARIS, September 26 UP)—Gym.|Services for this (ST L gevelop- ated with the Radio Meichants” Asso- | Sriction are among features | nastics for the eye have been em-|iyents in the radio art form, however, Openmg 'l'omorrow an Amateur set builders will not be | ployed with beneficial results in cases|the spectacular side of the radio e superheterodyne receiving set wil AIDPCOHE ! e ) il 4 et First of these is the Hewlett b i the cloce of the: shom | overlooked at the show. Plans have | of short-sightedn Dr.. Roger | position. ¥irst of these {3 00 HeD Ol 2 { been made to hold a contest for those | 5 S 2 ciali P, - 1 to the mes - the Washington 1 Dansar, French eye specialist, Prof.| & dlstance ofe 8 s S tits. A silv has been heard at a Tl i v ot e | ke thelt o outits, A stiver | DA e cademy of Scence | e X e hatanding e <nor as on’s Secon nnua A IEdne the most popular | 1 ek of the neatest set, regardless | at a recent sitting. mous’ amplification, more than & mil i of its size. { " Prof. Darsonval explained that the|lion times. the resultant speech or Among the any novel entertain nethods consist of massaging muslc is absolutely as pure and dis- ment attractions sheduled during the | List of Exhibitors. | eyeball for 10 minutes each dus et i the riginal: < Exhibitors at the radio show: fol- | it is claimed that a_marked improve- 5 i by Crandall's “Satu 2 | low: Philco batteries, Thermiodyne,|ment is apparent after each applica- Send Photos Through Air. . which will be bro charges, Stromberg-Carlson, | tion. The speaker sald that under| The second feature is the photo. concerts by Meyer Gold >S- | Herald cast, Bristol products,|such treatment amblyophia and diplo- | radio exhibit. or photographs by radio. tra. Fach ¢ > which merely mean in the lan-!Several times dally pictures will act- Radlo Digest, L storage bat- ia, asdy 4 > auditorium stage. | eries, Eirla prod ompeon prod. Euigs of the ooulists eve dimness and | ually be transmitted by the 100-watt S o synch ton. the prin-| yets, ‘Grohe, Gould, Trimm speakers, | seeing double, respectively, gradually | transmitter of the broadcasting sta, CRIaa o] lopment that has ! Tjnmons products, Freshman prod- | disappear. tom. and received before the eyes of September 28 to October 4 ‘:’;“"‘;‘ 1 2 ‘h‘""““m b | ucts, Atwater Kent, Pooley, Fada, ST the pub'llc at (lne {amo‘: :‘x;gs c:!r ;lx_-‘ee engh s S 5 4 osley, [agnave gna J ucts, 2. . This spectacular feal - o of the exhibits. The | Grome} Magnav e Curbs Ship Interference. e for (e Mratitime. 1o) damon at the inflections ¢ E £ dioeall, Hammerlund, Aberdeen| After Oekober 1 ships registered in [ stration baving ever been publicly Shefions i specialties, Javnelel products, O'Neal | the United States, under an arrange- | given gt before. Capt. ‘f‘paex;sie;e. ” e £ | produc Meloformer products, Por-|{ment reached yesterday between the |inventor of the system, will & | fer products, Corn wire products, te Department and the British em- | the installation. New Washlngton Audltorlum : Zenith. National carbon products;|bassy. will be barred from using| The show is mmnh:ii‘:“ogn(;;dg. 0B udio News, Burns speakers, San-|waves of 300 and 450 meters within | Clark, one of the oldest A acoustical elements at the gl cenkers, Dresendyne, | 250 nifles of the coasts of the United | Mr. Clark was for eleven years chief 19th and E Streets N.W. tng and receivin of the radio | pr,pdes, Burges blier, Kolster, | Kingdom, to avoid radio interference. | radio aid for the Navy Department, clrcuit has been accomplished this | gy, . Stewar ner products, | Similarly vessels registered in Great {and hence is especially fitted to speak . year to a remarkablo de ric Company, | Britain and northern Ireland will ob | of the yarious steps in_the develor Suealie 5 fic Compuny. amateurs,|serve this rule within 250 miles of | ment of radio. For five years Mr. Lo e T the Bristol (‘empan{‘,. the Murphy |the American coast. Clark has been with the Radlo Cor- The resuits of these <3“"‘“V“=‘*‘“‘; Company, Doubleday-Hill, R. E. ———— poration of )\hT:x"m' as manager of is that leading ufacturers of | Tpompson Manufacturing Company. i shows and ex! the United Sta ' e "““;J‘ .\'outhzrn Auto Supply 1‘ummny,r‘(':~l i Wu‘:less cryf“‘l Set. S —_— aker uni ases almost as | jumpia Wholesaleers, Inc., H. C. Rob-| Without the use of a wire coil, W. o4t 5 5 : elves. One | orr ol e Company, Signal Electric | C. S 514 Rutland Court, has Radiating Receivers Hit. Shown | company, le Radio Company, | made a crystal receiving set, which| The first legislative bill aimed at i s, chokes, | reCiione Sales and Service Com-|he claims will receive clearly. The|the elimination of radiating receiving rectitier i Joseph Zamoiski & Son. Na-|set consists of a half of an ordinary [ sets was introduced recently in the When used i I 1o i “ar] Company, American |cotton spool, a erystal and a cat-|Connecticut Senate. The bill would 1ain t ¥ be employed ¢ i & ‘Moy- | whisker. Two small evelets form the|prohibit emitting any noise or other o one the I plua and William A. Faton, Radio Cor-|nec ry connections. When assem- | disturbance that interferes with the ment ¢ X 0 g { poration of Amer and D. I Shall-|bled the set is approximately one reception of broadcast programs be- N b linch 1on. tween the hours of 6 p.m. and 12 pa B o AR AR AR R R R R veproducing in the home an orchestra concert with the nal volume and S Ready for Another Great Day of Sales! thus obtainable some of the loud 4 meters, 100 wat lectric (e num speakers will be furnished with long —————| ‘““T'ype L” 5-Tube Ware ,' America's FINEST RCcAseer. || Neutrodyne Radio Sets HETERODYNE 2 8% No Acrial. Distance Getter. s Special Sale Price, §159.50 com- & ?"n""‘l; : Regular List Price, $100 Tl : 5 is not un obsoleto & Take advantage of this wonderful offering and hear the results of the make this won- World Series and the many other coming events, in your home. ive “Pay-While-You-Play” | John J. Odenwald - i 1209 H N.W. Frank. 6903 i‘ RN IEEAEE ARG RSN IT TN ENRRELRERD Per Week Pays for This CROSLEY 3-Tube Set The set, pictured above, consists of a beautiful walnut Reasonable cabinet, with all parts inclosed. It has a Neutrodyne cir- Cels‘::fll,:fi:im Under the Auspi £ th nder e Auspices O e cuit operating with dry-cell batteries, as well as many $2 other features that can be demonstrated easier than told. Per Week R ° e t 9 . ti - : : adio Merchants’ Association of Washington This Set Completely Equipped, $89.89 : = e : he above set, Herald Loud Speaker, RS . FRED HUBER, President FRANK N. COMPLETE WITH o e et il Aot U bt I E e o R. N. CRAGG, Secretary N Tubes, Batteries, $ 4 5 ‘ningham C-229 tubes and 1 phone plug. g Loud Speaker A Full Week of the Finest Radio Attractions on the Largest Roads %o Operate, : , Floor Space Ever Devoted to Educational Exhibits HAVERFORD Al in the History of the Radio Industry CYCLE SALES CO. Radio Division ! Radio Balcony, Street Floor—T7th to 8th to E 522 10th St. N.W. Open Evenings