Evening Star Newspaper, April 1, 1923, Page 15

RADIO LAMP MAY BE USED AS CIVILIZATION SYMBOL BY G, The three-electrode thermionic Va- cuum tube, or “audion.” conslitutes the tstanding marvel of the infant science of radio, 1t is the amazingly ver Dbottle,” or wonder t i5 relatively as it is fragile mechan Although it possesse o literally hurl the sounds over continents and ¢ witn ightning-like nd the versatility o unerringly he sound equivi- lents and cause be faithfull reproduced, yet sical propert Te of such a fragile nature that it can troyed child rvice in this m: antastic perforn creatures of PAUL GR! atile “talking and ally sufficient power equivalent of the im- Alad- the ) ries of the in jern sub- Arabian Nights™ : e sinulites the lmaginative *Nau- of Jules Verne Genil do not jump i ilo lamp of today to do the bid- of the radjo fan and then jump sack in again ppear. or other: fade aw yud of smoke aid for Al n with 1 age-old tales of the of the audiol p in bian or audion it is com- millions radioman iding. They is ed of by Aladdin or 1 - developments weuum swerfil en year he radio art, wenty-eight yes The vacuum ument of tr n justl entation ir tories and 8 e world Thousa t An urs and ing only one electrode, the lighting fila- |ment, an English sejentist in 1905 con- elved the thermionfc valve, or vacuum | tube, containing two electrodes, a flla I ment and also a “plate,” for use as a | rectifier of alternating current and | hence a detector of radio waves. Three-Electrode Vacuum Tube. Two yes tist conceived three-electrod lighting or nd also a “grid, “controlling electrod {properly manipulated conjunction with the fil plate, will efectually control the ac- tions' of the invisible electrons within the tube, the flow of electric into and through the tube for detection signals and amplifying thelr strength, and the flow of electri the tube for the creation of ether or radio wav ansmission purposes | the cre electric or long dist the modern audion, or ting filament, a plate | the latter comprising | ** which, when ment and the | nee land wire telephony poses. tion of this third elecs trode, that tr: ed the device Into one of | untold value in radio and also in land wire telephony 1y perfected the tube as a\ tive detector of radio waves, comprising, as it does, the most sen: tive radio detector in' existence today but it a provided an instrument fo | eftee umplifying the thereby andible enabling sig- hich otherwise aking signa and easily intelligibi would be so wealk as igible, although they might nt tanding ady three-elecr is the fa als to be would by ntage in radio | um l\lhfl,‘ with which It} ephony. It that has made possi- wdeast service of to- | bring valuable nr" | however, | can be ada < the one ular bre 1y, whose pre ion and res, music of Wholesome enter- ment directly into | of homes, towns, the ches. ituated along the bleak r coasts, and even to whether villag, E revolution- long distance land s it is rapidly ¢bv_enabling teles l']vmxn conver- | wire between | - example | and _electrons resting om 1 p to the time invention by 1i of the ‘lectric lamp there ieterminable number | h the torch at and light. and | and_ hum tuted the gui world. 510 of an you who are kicking now got your “I am an owner of one of the so- called good tube sets and enjoy every bit of local received many not while iocal broadeasting was in the air, although I can time them out, 1 waited until after they were out of he alr. side stations the best and plenty of them just tune In after midnight and ou will hear enough music {you until next midnight without be- |Iing interrupted by loeal stations qe L have also read of Baltimore sta- L can scien- | tions not being heard in Washington, jabes au oher ID C., which I find is untrue, b cuum tube, containing | 1_enjoy “The following, electrically Injceived 6n my imaginary station the total figure current | WG current out (»r,“ W M urrents | danapol WLW, ind for almost innumerable other pur- | w iz into the vacuum tube ! S\ h.lu {sota; consin; strength of | \\ | Michigan; THE SUNDAY STAR, WASHINGTON, D. WKY, and have but broadcasting, outside stations, When you want to hear out- | Ohio: to last WCAO, EBaltimore, | Will y at 12 noon. with no _exaggera is a list of stations 1 have re- set, a without any stuc in to rals WWJ, Detroit; WJZ KDKA, nnsylvani Balt station nearly every | port w conf mere Jerse Sev membe be exh cussed Georgla; Tlinofs; v Jers 3 York; WHEK, Ohio: WO w Pennsylvania; WLK, In- . Ind.; WGI, Ms in the Ohio; " WIP, Pennsylvania: | street husetts; Tenne . Alabama; KYW, Illinols; AA, Indiana; AQ, Tlinois; WLAG, Kentucky: WIL0, Wis AX, Ohig < lIXllml Pennsylvan Q York; given rine Mrs. L. . Tlinoi souri; WHA! chusetts Penn: nelia man, WBAK, tone pianis T Tennessee; WDAA, Tennessee; WDAC, Ilinois; WLAC, North Carolina; WGV, Louisiana; WAAP, Kansas; CFTC, California; 9XY, Illinois; WCAF, Illino Illinos Michigan; ermont; Canada, A general discussion of local inter- ference and how it can be eliminated teature night of the National Radlo Listeners- | In"Association, ht by Tetary of the organization. A re- | tend the meeting which will be held | Willla rams of WJH of the White & Boyer | ompany, tion’s program Tuesday night will be | composed of the following: Miss Cath- soprano; pianist; WOAB, North Dakota Oklahoma; WIAA, Wisconsin; Canada; KFI, WBT, North Carolina; ; WNAJ, WIAR, Kentucky; WCAL, WGAS, Illinois; WPAL, Y, Wisconsin; WHAL, WHA, Wisconsin; WLAK, 1XAD, Massachusett: and WCAO, Baltimore, Radio Fans to Meet. a meeting tomorrow it was announced last H. W. Ennes, corresponding ~ APRIL- 1, l__ 5 BY RADIO TODAY 1923—PART- 1: 15 Schedule of Wireless News and Entertainment. LOCAL STATIONS. NAA=Naval Radio Station, Radlo, Va. (710 Meters). 10:05 a.m. and 10:05 p.m.—Weather | bureau report. ‘WDM—Church of the Covenant (360 (Meters). 11 am—Morning service; | by Rev. Dr. Charles Wood, pastor. 5 p.m.—Preliminary musical pro- ill be made on the recent radlo 1 gram. epartment of Com- | . which was called by Secretary | mon Hoover to devis interferenc a plan for reducing Al new of the association also wl iibited and their merits dis- | 7: The public Is invited to at- | gram hook-ups designed by | Raner, 0 p.m.—Afterroon seryice; by Dr. Wood, on “An Easter Day | Experience” McGill Keefer, violinist, and Richard Lorle- berg, violoncellist. 5 p.m.—Preliminary musical pro- 8 _p.m.—Evening service; zabeth Somers, at 1100 M | by Dr. Wood, northwest, at § o'clock. WJH to Broadeast. m M. Doran, director of pro- | nnounces thaty this sta- | by the Blossom Inn Orchestra, Bowles, violinst and leader; M. Hurdle, pianist; Miss Cor- lison, cellist; Miss Fay Moor- | Miss Myrtle Seidler, | 8. Theod: Howard, bari- | Prof. George Herbert and Irving Fuller, tenor. Pure—Fresh—Delicious Stuffed Dates Special, Big A confection that every member Take home a pound tonight. Peppermint Patties, 1b. ... 29¢ Chocolatecovered Almonds, lb..19¢ 39c Pound specially selected dates filled with delicious nuts. of the family will enjoy. Specially priced, 39c pound. Chewing Gums, 3 pks........... 10e Chocolate-covered Cordial | WIAY—Woodward & Lothrop (360 Meters). 4:45 p.m.—Musical vespers at the First Congregational | gram by three child artists—Jackson Shore, soprano; Isaac Minowich, vio- linist, and Dura Minowlich, planist. WJH—White & Boyer Company (360 Metern). 8 p.n.—Services of Wells, | Avenue _Christian | Buck’'s Easter cantata, solos on “Easter Fears and | Hopes”; evening choir of 100 voices. | Victos rection of 'W. I. Mrs. Mrs. — N F. M. soloists; Kless, Wood, Miss B, Critchfield and women's quartet. also participate. sermon ser- by Mrs. Flora contraito; Miss Elsa tion to the sermon WIP—Gimbel Churel Pro-| 2 to 3:30 orchestra recital. the Vermont| 3 Church D\\h(hl Hillis 3:40 to 5:3 % Thirteen Stores ---The Better To Serve You Mail Orders F llled Ruby Potter, Shore, 7 p.m.—Bedtime story; WEAF — American Telegraph Co., New York (400 | Meters). p.m.—Lecture " by the choir, under the di- Braithwaite, with J. E. Sparks at the organ, ing singers will take special parts soprano solois! contralto soloist: S. Haynie, baritone solois G. Ledig and Thomas P. Russe! B. A. Lineback and bass soloists; The follow i B Miss G Sosamon, A A large chorus \Hl\ Mrs. DISTANT STATIONS, All Programs Scheduled for Eastern | Standard Time, roll eall, | Telephone Dr. 72z Iz resurrec- followed by | . ending with | by Wirt W. the Holy classical Newell 7:20 to 9 p.m rect from the Theater. ophie and God,” a story by Mark O. Pren KDKA — Westinghouse, (360 Meters). Breeze Presbyterfan Church. 2:30 p. .—Sacred concert, 4 p.m.—Organ recjtal. 4:45 p.m.—Vesper services of Shadyside Presbyterian Church. 7:30 p.m. Episcopal Church. WJZ—Westinghouse, Newark, N | (360 Meters). 10:30 a.m —Musical program. 11 a.m.—Services of the West [The themo of the cantata begins| Presbyterfan Church; sacred mus| with the story of Good Friday night| and is carried through the ascension, angelic greetings above, reflective thought on earth below. lections by a children’s mixed cl of 119 voices. nitz. 6:30 p.m.—Readings and ! from the “Bubble Books That SI 7 p.m—Analysis and interpreta of coming events 7:15 p.m.—Organ recital 8 p.m.—"Dreams Ahead,” by Mirfam Brothers, Philadelphia | Batista, (400 Meters). 11 a.m.—Services from Trinity Memorial Chapel m.—Popular nine-year-old \ucret-n star. 8:45 p.n.—Waldorf-Astorfa S; phony Orchestra. 10:01 p.m.—Miss | 1en, concert and operatic soprano. | KYW—Westinghouse, Meters). 12 noon—Central Church servi 3 p.m.—Studio chapel 4:30 p.m.—Chapel se 8 p.n.—Chicago Sund stage Chicago and p.m.—Men’s conference | Club servic at_the Bedford Branch, Y, M. C. 9:30 to 10:30 p.m.—Organ recital. Pittsburgh | wiaAR — Kansas 10:45 a.m.—Services of the Point —Bible story for children. Services of the Calvary 4:45 p.m.—Lecture on fleanrfln’\vla‘ Georgia MacMul- ,\,[\\:nn_.\n'z a Journal (400 Meters). 11:4 of Preshy Her | 7500 ce: | concert. ity Meters). P.m.—Concert program, Star 5106 WWJ—Detroit News (400 Meters). 11 a.m.—Services from St. th Cathedral. e 30 p.m.—News Orchestra. ¥ | WGY — General lectric Schemectady, N. Y. (370 Meters . 9.| 10:30 am—Services of the First lRuanu Chureh of Troy, N. Y. | 1 ) - 3 the d | First Baptist HoIr | \WHAS — Louisville (160 Meters), records | ng.” tion to & p.m. by F. W. WELW—Cr vany, Cincinnati } 12 noon—Service Y- | the Covena and | WOC—Palmer Sch Towa (400 Davenport, e ters). (400 8 pm | 9pm es. are exempt Irc |until 1924 //,/// Lz Money-Sa vers In.Our Cigar Departments! Milano Pipes Regularly $3.50 Now, 2,49 Low Prices On Nati Hox of 50 “Blue Ribbon™ (perfectos) 6 for 25c. “Flor De Melba” (admirals) 4 for 25c. “Blackstone” (londres) 10c str.$4.93 (Pets) ......... $2.00 Can of 50 (Coronas) “Louis Martinez” 3¢, 6 for 25c. “Louis Martin 3 for 25e -$4.00 Box of 50 “Poppers” (ace) 10¢, 3 for 25c.$4.00 “Poppers” (8 center) 8¢, 2 for I5c.. ..$3.50 i ~xedo Tobacco Regular Size 2-0z. Tins Special, 1 oc onally Known Cigars Box of =3 “EL Roi Tan” (umbassadors) 2 for 25¢......... . Box of &l Verso (adjustants) 3 for 25c.$1.00 La Palina_(excellentes) 3 for 2ic... La Preferencia ( puritano fino) 3 for 25c Lil‘tle Cigars Royal ln Il"r:l~ 2. of 10, 1 2 for : Cuban Crops, pk Little Governors, pk 2 for C ulwn Porto Rican £1.00 . of 10 2. of 10, 2 Brevitas) the First vices from the (400 Paul's Company, Troy Courder-Journal pack of 10... Bambino Smokin 1%-0z. tins, 10 Red Top Safel‘y Matches, 10c dozén; $1.10 gross —at these prices. Add 10¢ or fr Tor packing, pastage And insurance. Send pest ofice money order. We saip same d order ved Peoples Drug Stores, 505 7th St. Washington, D, . thereof, or expre: Flor De Manuel (conchas perfecto) 3 for L781.00 Tordan Almonds, b Rich’s Cry:stallized Gin Waldecker's Peanut Briwle, Ib. . .25 Planters Big Salted Peanuts, lb Cherries, 1b.... Bungalow Pure Cream Caramels, Ib .... Crystallized Gum Drops, Ib Tabacco, Addre 3 for ipated worn son wil 16 shout the A great deal of work T radio engines interferin: At mercial fees and thods by means iich static Ably reduce it is made possible to obtain fairly reliable eption during the summer. aratus and methods now emn such stations are usua com matu One metk find helpful in ¢ strays is th isual elevated -nna and a more s «t. A coil antenna tructed by er of turn spacing on a square bout four fest square if static seems to cular direction. r, have no directional luding those due to the 10 storma. Tho coil may suita num- wooden fr. rtain types from a ntenna has the prop of recelving a stronger signal pointed in the direc 10 signal 1s appro ¥ 3 cak signal when pointed v right ction Thus by rotating a coil antenna to the proper position the directional tvpes of stravs can be greatly re- ed and a better ratio of signal to '8 will be obtained. The ordinary clevated antenna does not p arked directional prop refore cannot be us il antenna for static the & icked wb by a coll aller than the str ed up by the ord ina, and g exepted hiree or morc aro used. Some relief can be obtained by per- «ons having g rs by using “ground § is is a long sulated wire run in a shallow trench or on the surface of the ground. The wire should be run in the of the fon from which to be r preferably be several hundred feet long. "hrough strays of give stter results can be obt: eiving strong sign 5. Nearby wuch bette stations. at broades stations d at a consider nt citi » United S ts of the However, f amplification inten than ions can is a broadc s vhich far reception ean be ven when strays of modern intensity cist, In the summer a person must o content with weaker signals and hould use less amplifi he win o e str ified & as the s conside mplification i trong static disturbances will pro- duce noises in the phones which are ery unpleasant and make it almost ipossible for an operator to Keep telephone receivers on the head any considerable length of time. tion from expected “Radio Golf* Is New Game, Have you ever heard of “radio golf?" Well, it is a game which can be ed by any man, woman, girl or who knows how to operate & iudio receiving set. All that is ceded to play this game is a sensi- (ive ear, a score card and a keen cnse of honor. This last is needed ause everyone keeps his or her score, There is a gentleman's sreement that players will not cheat. I"he operator does not need to leave ! r her home to play radio ‘golf. mfort of his in” is ation When_ the person ‘listening ertain he or she has caught a s )" clearly there can be ,. 4 to its identity, he puts the name m ine station on his score card and the uir line distance between his home «nd the station heard ation may Le counted but once & each proper {Haven Wed country | ation than in |g although the player | long as he chooses, day ~ver, he must keen e | of the time. When ing he adds up the | 1 stations heard. | ize divided by the| hours represents the er hour and is the | rticular period cour T play >3 an hour. Thls 1 r a period of six hours and wutes, divided between the g5 of Decembe Radio Quicker Than Words n in a put Schenecta ached a rad Sun Cal ¥, before they wera ener 150 feet from the epeaker. hat statement looks a bit fantas- | but mathematically true. nt absurdity becomes when ft is realized that | f scund i3 1,126 feet per temperature of 68 de- and the speed of or radlo waves per second in the back of the hall | 150 feet from th the words in 0.1332 sphone connected transmitting with the equipment, or | the General Electric Corhpany s two.feet in.front of the er and picked up the words in conds. required for electrical vibra- ' 5 or Wwaves to pass from Schene: San Francisco, 0.01 seconds. ne required at receiving end to convert electrical vibrations into | sound vib; 0.001 seconds. ! time from the | L enectady to the radio listener in San Franpcisco, 0.0187. Listener in hall i 0.1145 seconds sooner. The period of time veen the spoken w ception heard word in elapsing h&-! d and its re-| radio 2,550 miles away llustrated as follows: ime required for a spectator ase ball game to hear the im- | 3 bat nst ball when he is| standing twenty-one feet from the | batter is 0.0187 seconds. i i Electron Discoverer Here. 1 The man who discovered the elec- tro 3 which, among many Othl'. is. makes possible the dally radio prograims broadcasted throughout the | Country, is rica. He is SIr Joseph J. son, headmaster of Trinity College, Cambridge, England, ust arrived to dellver the principal | public address of the meeting of the| | Ameriean mical Society in New | sday night, April 4. r. Thomson is considered by many | eatest living sclentific investis in the field of physics and | il chemistry. The clectron is | 1 ble particle of | itee > basis of all energ: tins Ar as men kno Electric cu 1 - sald to be a stream of | Even though {t is the | ‘known particle, Dr. Thom | others have measured the | ctron and _ estimates that its| diameter is about thirty trillionths | lof an inch ana weighs one eighteen- [hundredth as much s an atom of | Bydrogen, which is the lightest of the Thomson's lecture at New | will be on “The Unity of| [ Physics and Chemistry” and will at-< {iract the attention of sclentists the| ‘v\unld over. He Is a_past president of the Royal | of England and in 1906 was rded the Nobel prize for his worl During the week of April 9 Dr. Thom son will give a serles of lectures be- {fore the Franklin Institute of Phila- delphia. faven Local Brondeasting. | John H. Williams of 357 K street southwest, pens the following to the l';'adlo edifor anent local broadcast- ng: | %I nave been reading the letters published in your paper for and against local proacasting. “Inn expressing my opinion on_this matter I would like to say that I am for the present state of local trans- | mission. In referring to those who are not in favor of present broadcast- | ing I think they will change their | rmlnds as to the idea of having the e ! station sending from 5:30 p.m. to 6:30 pu. stapped if they learn that this ! station is not one that has sprung up lately over night, but on the other hand has been rendering enjoyment to listeners in. for many gars before April Money-Saving Sales! Van Ess The New \ Method Scalp Massage One minute a day of this new treatment results in a heaithy, luxurious of hair. " The patented rub- ber-applicator feeds the treatment directly to the scalp without wetting the hair. You'll like Van Ess. 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