Evening Star Newspaper, February 19, 1926, Page 37

THE EVENING STAR, WASHINGTON, D. C, FRIDAY, FEBRUARY 19, 1926. CHICAG INVENTOR SPUTS RADIDWAVE Prospect Seen for Simultane- ous Use of One Length by Many Transmitters. By the Associated F CHICAGO, Ve ary 19, Possibi ity of the simultaneous use by two o1 identica move radio transmitters wave lengths is veen by the announcement of n by L. | aduate of the upon what w unknown wave the device perfc in Skala's labe engine inver an length fundamentals med without a hitch Berwyn, a atory at neers attached to station WMAQ of the Chicazo Daily News said after the first public demonstra 1 of the station “sepavator” that should it prove as successful in actual use it would provide an infinite num ber of lanes adeast telephons In addition. it was declared that it Would make possible wireless teleph ony for all purposes where wire sery oW is usec [wo laboratory transmitters and an ordinary tuned radio frequency re ceiver were used in the test. The tiansmitters were set at the same” frequency and the receiver tuned to their wave lenzth. The usual beat note, or whistle as the listener recos . Then three of and resemblin > outside, we { the transmitte Although wive r showed that the two transmit were still tuned to the same wave length, the engineers reported that the turning of iary Lox attache t one transmitte other without i Skala, in brief explar ion, said that no circ dial on the to the receiver ind brought sent-day appa He said that the outfit consisted of a simple com- | ation of capacity ¢ t functioned through properties of | the wirel wave other than ampli tude and harmonies. It was mechan- worked out after he had per- ed a mathematical formula He -clined to go into details other than that the number of portions into which frequency or wave lensth could be split to accommodate trans. mirters was virtuaily infinite. It was further declared that uni versal use of the apparatus would | solve the receiver set relativity prob. Jem that has become the worry of | practically every radio listener with | the numerous radiocasts now on the to say A later test under actual operating eonditions is being planned. Borah Speaker February 22. Having once made his radio debut, | nator Borah of ldaho h ¢ in returning €o the microphor lly when he is given the op portunity of airing his views on the | World Court. second radio address Ly the Idaho orator is scheduled to be broadecast in Chicago February 22 spite the silent night that will other- wise prevail in that cit Virtually 50 per cent of the students of pharmacy in the leading colleges of Manila are women. de- | - Different- | That’s about They know that of all cigaret- tes on one with an exclusive reason for superiority, and that’s Because ® L9 Toasting is a costly extra process, but it i glorifies tobaccos. It gives a pleasing taste, really different. Guaranteed by You will notice, however, a con- | worth | siderable difference in the tone ! set on account of | { quality of various types of sets, and!cost there, 1 | \Wway alone. e O 1NCORPORATED ‘Dr. J. H. Rogers Awaits Chance to Renew | | Experiments With Underground Radio| of Spring and warm | plax ) Dr. Rogers explained that his i anxiously awaited at | experiments will be conducted along Dr. J. H. Rog- | the lines of most of his recent work— | suished inventor the field of subterr \ transmis: | sterranean and sub A new and different type of an- fter o Wincer’s ill will be used in the n a series of experi 1 if they prove suc pes will present the cientist hopes to send his eaching and important to the other side of the the field of wireless | | " Just before he became ill, Dr. Rog- “onvalescing from K of Lers successtully mitted to France iiia) k confined hiin to h onfirmation of Just after his 1 ry was comple Id | mission to which has expe - two | States w working with the b he said, “1| During his illne: Rog several theories which | he has received letters from hundreds ow what ound sig- over while I have been | of amateurs anxious to | had happened to his undes h guarding the details of his ' nals Watch the So-called *Unimpor-|connecting such a condenser across rme the secondary terminals of the trans tant™ Things. former. Very often a quick succession of Many fans seem to have the idea | e i ava e that hecause a set will work without | ticks, rattles or even squeals in a receiver can be traced back to a poor zrid condenser or grid leak. Unless these are of the proper value a pe- riodic fng and stopping of ,oscil lations in the tube the production of a quick sue of clicks, and if they are enouzh they will develop into a howl or whistle, 'n buvinz grid condensers and ondenser or with any value resistance or with pr items and need no par- especially as devices which ¢ not be. used in radio t that u recel or not you looked upon - aeross the “B Proof to most such a condenser is not and that, theref the expenditure of o dollar such condensers is not ju: condensers is very often the -u‘r('nh e practical- . et Soccated untmpertant iteme. | PARENT-TEACHER FETE. El 5 The first of these items is thi of condensers. If you ik T 1 mfd. 1i 1 the tern tel tes Noises. S Education President to Address Prince Georges Body. Jispatch to The Star. National «d condenser spec of the R st ol it S MARLBORO, Md.. Febru receive: Tt will ‘\H‘du\\vl @ lot of |ary 19. A banquet will be held to uolss wwheu vour (Bl batteriesfrct Inishtat the Erankiin Siuare o | them for a lon time than Mou on, by the Prince could do so ordinarily, thus savin Public School Teach you many times their cost in this nt of the National E and principal rookline, It vou see a_ by-pass condenser specified across the filament terminals of vour tubes, or across the hat- tery terminals, You may be sure that | it was not put there for fun. Such ctions in the radio frequency ve Lo by-pass radio frequen- | ey currents around the resistance of the battery nd increase the effi of the recei lectivity, of the Picrce ci School. is chair | man of the committee in charge of the banquet, which will be in lieu of the regular Midwinter meeting of the as | socia ency er by giving greater se Jlume and d Follow Tlustrations. mmissioner s . will ta If you see a .001 or .002 fixed condenser across the of an audio frequency trar you may be sure that it was put there for a purpo: to keep the radio fre- | quency current out of the tran: former windinz. The same applie to the use of fixed c the secondary windl stage audio frequency Many a howling, poor quality set has been given a new lease on life by Years. Retires After 30 what knowing men agree 5 a Lucky Strike cigarette. the market, it is the only the flavor of the world’s finest | RADIO’S BEST OFFERINGS TONIGHT. { Playlet by the 7 bert Stock Co, WCAP, 7:05 o'clock. Montco Night, WLIT, 8:15 |} to 10 o'cloc SR Chief Radio Supervisor W. D. Terrell. | much end as long | 50 il Progmamibythe Menls Giub Without revealing the identity of | as o e more prominent , shed Bl b : | ithe principal offenders, Mr. Terrell to- JpacaE oRunG have at All Saints’ Church, Chevy | |gav - s an | iamed excellent t f S M WCAP. '8 ¥ | {day let it be known that a lot of his PR el e ot ot thei “hase, Md,, AP, to 9 | |radio entertainment is being spoiled by Rilvehon | postionegunal diveetithelx wemar o'clock. the too verbose guardians of the micro- Al "",‘.'I‘ ably well ¥ ; 2 ; = i A phone. And Mr. Terrell, in addition to { which time But then there are the others Comedy, “Take a Chance his ofiicial duties, passes much of his | (e &rtists consumed 20 minutes and and he gestured expressively t. he said ,\‘] in this case were the announcer 10. a very improper as the perfor unusually g The announcer, plained, is u nece: studio and his r announcement ¢ !Long-Winded Announcers Begin to Irk Chief Radio Supervisor W. D. Terrell homas Her- 5 errell e The talkative announcer, with his |repetitions of names and phrases, is beginning to get' on the nerve: gested, “suppose the station man- s| agers arrange a whole evening for of | the benefit of their announcers tions. by WGY Players, WGY, 8:15 time in the radio audience of the o'clock. United States, and can speak as a S repmann Fal alnts capable representative of that audi- $ ictor hou WRC, WJZ, ence. 14 WGY, WBZ, KDKA and ;What's the use” he asked -of| 2 KYW. 9 to 10 o'clock / telling us every three minutes the { Sy oiiocios name of the singer, his teacher, the ~ i Jack Myer's Musical Archi- name of the arememlst am!rt}le &% 3 e o name or numes of the sponsors of the | § tects, WCAU, 10:30 o'cloc e s :-;u:e ‘S:avoly Jr., set l¢:omplele. : B --$11.98 ¢ names of everybody else in the studio, -Tube Crosley, complete ol 15.98 « together with the sonal views and £ > 2@ POST AND PLAYING CARD |i5inions Si i demaomae. “Gurely & 2-Tube Crosley, completer. ... .....c.coi. ot a0 21.00 ¢/ e inutes is enough g COLLECTIONS PRESENTED i e nesysenouEl 3-Tube Crosley, complete with loud speaker... 37.50 bid ~ e e Smnaas Bt 2-Tube Crosley De Luxe, complete........... 23.50 Some of Latter, Given to Harvard. $45.00 Crosley Trirdyn ................. 2 30.00 « Date Back to Early 16th Century. { 5 E Press i | g Mass., February 19. as received two valuable - a up of 40,000 i representing a detailed g tural design, sculp- | in_the museums of | E By the Assoc CAME Harva collections 1 cards record ture and eastern Europe, . . | Radio Auction Sharnon, Caldwell & Co. Inc., Auctioneers We Announce Regular Saturday Sales of New and Used Radio Sets and Equipment At Public Auction Within Our Salesrooms 304 Tenth St. N.W. of old playing cards. ATWATER KENT RADIO SET Plus Grove Service HARRY C. GROVE, Inc. 1210 G Consignments which now include: dyne in b with built-in We also carry the Freed-Eiseman and Atwater Kent sets in stoch. eliminates al] B batseries $25.00 Radio Tables. ........... $18.00 Tunger A & B Battery Chargers. $19.00 A Battery, 100 Amp............ $3.75 Eveready 45-v. B Battery. S4e $4.00 Burgess 45-y. B Battery. . . ind the other, 100 § g K e post_eards, which o to the| “Pape” ” ® gt T | TS Cold Compound” - gR00 eveendy ol 8 ks use one, and o SOLCSOn eIy g S eh . | . urgess 2215-v. B Battery. o ok oo ot che deparoment | Breaks a Cold Right Up |} §2:00 ewrscry 2272-v- B Batt g see what your The plaxing eards are’ given by —_— 3 $3.75 Crystal Sets. ... .... el i nes I, oy to the er Librars. Some. of them date baek | Take two. tablets ¢ $2.00R. C. A. Tubes, UX-201-A. . set canreal to the ...‘:[v ‘.\,\}n-v-)y.m century and :;;l;’f])"h::'e"‘&‘ w‘:'\n[: $3.00 Straight Line F Condensers. . ... .. 2 are considered highly valuable as oses are i i Specimens of early printing. . Designs | taken. The first dose $4.50 Loud Speaking Unit........ M do - C e e e on the backs include curious carica- | always gives relief. Spit-fire Loud Speaker, guaranteed . 4. ) T aue ‘I"”“_”‘ 1l carteons of al|The second and 45c Columbia Eveready A Batteries, 3 for 1.00 ¢! 90 volt model 800 (complete) § e e ‘Il“"';ln‘la'i“u’p‘;‘]"“cpiz“fl 5 $30.00 Music Master Horn .. 18.00 (’}‘{ 135 volt model 800-A complete) $47. pean countries in ireh of material | F Oredt U 0C SO { 35cPhonePlugs .. ...............cco0nu.n. 19¢ f',: @ e “postes take. Contains nc ! & eyt =T { HOWARD A. FRENCH & co. | DUDILIer postals of the towns Millions use “Pape’s g }) | CONDENEER AND RADIC CORPORATION Southern France and Goldl Coporni p 424 9th St. NW. ;| SOEDENEER AND RADIO CORFORATION . - Price, thirty-five EL ¥ WILL CONSIDER 7 BILLS. |conts Druggists guardntee it o Colo # =] House D. C. Committee Subcommit- tee on Judiciary Meets Tomorrow. | é Graod Eisemann Hus Cofere Jaw,,fl%%w Brookbym Neww Jork: Y I January 14, 1928 i or folition 0 a: sition ot hich is a bi omen's lur Associatic ot giv | Ja‘%‘yflm h men in Frwident : to prevent transactions : to qualifica: e 2 commis. tive flaz for to amend Pronch” Battery Company’s uadisons | Wisconsine Now is the Time to Buy Your Gentlement Plate current supply (or "B" htu;:ra et‘si:,r in the operation of a rldio.ne:d e Extensive research has convinc m:' et and correct size are very importan e choosing "B" batteries for any set,_wi loud_spesker. ‘High internsl Testetance in the :fi.‘:undon the volume and csuses St. = «pi battery current supply FREED distortion. MR. JOSEPH D. R. President of the Freed-Eisemann Radio Corporation, the world’s s | % "that Ray O Vac 3 i ::t::;:ltg:::-t::e. y'L'hey give cle:nrar::gt:z:vz:u;:eo:% l 1y reproduced. - Be e =1 e e internsl resistance beca ng" batteries with low in’ ; tained from "B' | largest maker of Neutrodyne Radio Receivers eivi ts have brought pleasure to bundreds of thou- sands of “listenersin” all over the world. Mr. Freed is ehown here at work in his laboratory testing the effect of battery resistance on quality of loud epeaker musical reproduction. Notice hiz choice of "B batteries for this important work—and the abeence of noises and because low feuleunce,"B",bnneneg z:vp the audio circuit in a stable condition. "our Te " eat and test labor- 7 3 Tesearch sd developaen' '. tye‘n::t;q:i‘x;p‘l)ne‘zu:“ufl“ exclusively, :Ju‘::: !::::ve ;:::;om“ e “:s::’:u:‘::n‘t. l:c::::i:undcmn to all :::r::n::::gluii?:fptheir low internal-resistance 2nd long Beginning life. then read what he sass about this Saturday, Feb. 20, 1926 Sincerely yours, Eer eI Ay el 0 Lt e At 12 O'clock Noon now being re- FREED-EISEMANN_BADIO CORPORATION. ceived for next Saturday’s Sale, 7 tiful Console Cabinet Presighnt., Speaker, Garod, e Ware Console with built-in Speaker, Freshman Masterpiece, Claratone, Harkness, Crosley Trirdyn, Crosley Pup, Cockad. Radiola V, Radio experts say this is the way | Storage Chargers, Speakers, B. Elimina- tors, Parts, etc. Exhibition and demon: day before sale. Phone M. 9272 for further infor- mation and Shannon, Caldwell & Co., I Aucts. i | | | i i High-grade Thompon Nestro. || 1 { | ] | | | Batteries, Terms. nc. . endorses this low resistance battery EAD the letter above! See what an eminent radio engineer says about the importance of battery resistance in radio reception. Then read what he says about the Ray-O-Vac Battery. Herc is the highes endorsement any battery can.receive, the unqualified recommendation of a leading manufacturer of radio sets. You need a low-resistance battery. The Ray-0-Vac battery has the lowest internal resistance of any dry cell battery made, with the staying power Y —_— N — ¢ . . //////1/ ER\\\\\\\ \ Radto experte recommend wet batteries in | Ray-o.l'ac",g”un‘x- :faAy-O-AVm:I;B"B:‘;: R,,:,_a;/,c-hce-ga,_ fln;t g‘lvesblt ]onger;fe. ?et :_]: ct.;sts no more than place of dry. Wet batteries can be kept at ful teries recuperate eries in all sta teries, in the 415 ordin; ies. i «Radi Bt T e the Secrec of votume. istance. G ety el o 2 ary batteries. 'me or the free bool’(’, Radio You can keep your storage batteries at full 51'::;‘:-5 ’fongerbelife low resistancestay- age adjustments of anual and Broadcasting Station Directory.” French with the FRANGE Super-Charger. It with their better ing power you want th: ind, d i = s ihe most et o7 charger made. Tt qualisyof reception. and should have. omhum"t'fm{;:' 5 sy S, Mo, W 13 easily the biggest value offered today. dealer will gladly show you why. NOTE: Ask your dealer to show you the FRANCE Super “A” Charger for your e A haveesome depents S 1 7 i 3 able qualitics of Super-Charger e THE FRANCE MANUFACTURING CO. 10321 Berea Road The Qé : ;A."*************************************************: STAR RADIO CO. 409 1 l'th St. N.&V. " OUR STOCK OF RAY-O.-VAC BATTERIES IS AL- WAYS FRESH, ASSURING YO\,U SATISFACTION b.2.1 ?k‘k.********kjk***‘k*********i******’k*j(*******i:*‘k Cleveland, Ohio XXXXX B ¥AX x x x x x x x x i -,