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14 WCAP TO FEATURE MUSICNUMBERS A. & P. Gypsy Orchestra and C. & P. Chorus Head line Program. The regular weekly concert of the A. & P. Gypsies and selections by the Chesapeake & Potomac Male Chorus, under the direction of Prof. Otto T. Simon, are the chief attractions on the prog-ram tonight of WCAP. Howard M. Cool, head of Washing ton’s Better Business Bureau, will open the program, at 7:30 o’clock, with a talk on "Exposing the Meth ods of Unscrupulous Stock Salesmen.” A recital by Fritz Beulah, cello so loist of the United States Marine Band, will follow. He will be ac companied at the piano by Herbert Errsman. William Hard, prominent Washing ton newspaper correspondent and author, will give his weekly talk on ‘T>avs and Nights in Washington,” from 8 to 8:20 o'clock. His subject tonight will be on "The Upbuilding of Opera In Washington.” The C. & P. Male Chorous will give its program from 8:20 to 8:45 o'clock, after which the weekly "Tower Health Talk” will be broadcast by the Metropolitan Life Insurance Company. Tho A. & P. Gypsy Orchestra is billed as the finale. It will play, as usual, from 9 to 10 o'clock. WRC's afternoon program, which will be broadcast between 4 and 6 o'clock, includes book reviews under the auspices of the League of Amer ican Pen Women, a piano recital by George I\ Ross and a talk on ‘'Thomas Jefferson,” by Mrs. Eli A. Helmick, under the auspices of the Daughters of the American Revolu tion. Local Radio Entertainment Monday, April 13, 1925. IS’A A—A aval Radio Station, Radio, Va. (4114.3 Meters). 3:45 p.m.—Weather Bureau reports. 10:05 p.m.—Weather Bureau reports. WHO— Radio Corporation of America (4415.3 Meters). 4 p.m.—Book reviews, under the auspices of the league of American Pen Women, "Yeast,” by Marlon C. Cooper, and “God’s Step-children,” by Sarah G. Millen, reviewed by Nina Reed. 4:20 p.m.—George F. Ross, pianist. 4:30 p.m.—Meyer Davis’ New Wil lard Hotel Trio, broadcast from the New Willard Hotel. 6 p.m.—"National Heroes Series — Thomas Jefferson," by Mrs. All A. Helmick, under the auspices of the Daughters of the American Revo lution. M IlHK—Washington Radio Hospital Fund Committee <2541 Meters). 2:30 p.m—Current news items (daily). WCAP Chesapeake ami rdoinac Telephone Co. (468,5 Meters). 7:30 to 7:40 p.m.—"The Methods of Unscrupulous Stock Salesmen” will be the subject of a talk by H. M. Cool of the Better Business Bureau of Washington, D. C. 7:40 to 8 p.m.—Fritz A. Mueller, cello soloist of the United States Marine Band, in a group of numbers, accompanied at the piano by Herbert Erisman. 8 to 8:20 p.m—William Hard, prom inent newspaper correspondent and author, in a talk on "Days and Nights in Washington,” particularly about the upbuilding of a national opera In Washington. 8:20 to 8:45 p.m.—Selections by the C. & P. Male Chorus, under the direc tion of Prof. Otto T. Simon. 8:45 to 9 p.m.—"Tower Health Talk” by the Metropolitan Life In surance Co., direct from the tower, 1 Madison avenue. New York City. 9 to 10 p.m.—A. & P. Gypsies, from the studio of station WEAF, New York City. Early Program Tuesday. 6:45 to 7:45 p.m.—"Tower Health Drill” by the Metropolitan Life In surance Co., direct from the Metro politan Tower, 1 Madison avenue, New York City. EASTERN HIGH PUPIL WINS POSTER CONTEST Miss Marg-aret Henery Awarded Prize for Ad for Americani zation School Dance. Miss Margaret Henery. a student of the Eastern High School, was award ed first prize in the poster contest for the Americanization School Associa tion festival and dance to be held April 22 at the City Club. Second and ihird place winners are Miss Katha rine Pitcher and Mrs. Marcel Butler, a student in the Americanization School. Selection of awards were made by a committee composed of Clifford K. Berryman of The Evening Star, W. A. Rogers of the Washington Post and Mrs. W. Clarke Noble, sculptor. Post ers were on exhibit at the school headquarters, 10th and H streets. Miss L. O. Burroughs, chairman of the poster committee of the associa tion, assembled the collection. Pro vision had been made for only one prize, but the work was found to be so creditable, the judges themselves presented a second and third award. New Loop Antenna Appears. A new type of loop antenna that has appeared recently in Vienna con sists of a round wooden hoop, like a barrel hoop, with a number of pegs of insulating material inserted in the edge of the hoop so that they project on one side of it. The loop Is then wound on these pegs. The advantages a:e said to be a firm support by the hoop, and the small amount of di electric material in contact with the wires of the loop or inside them. • WEAF Broadcasting Record. WEAF, New York, continued to set the record for the country’s broad casting stations in maintaining a constant frequency during February, the Bureau of Standards announced today. WEAF turned in a perfect score with WCAP, Washington; WSB, Atlanta; WGY, Schenectady; WBZ, Springfield; WRC, Washington, and KDKA, Pittsburgh, showing an aver age deviation from their assigned wave lengths of one-tenth of one per cent. Cause of Poor Joints. Most of the poor soldered joints that bother the amateur radio con structor are due to working with an iron that is not hot enough. It must be remembered that the solder on the point of the iron should be hot enough so that the surface of the wire or soldering lug which It touches will be heated to a tempera ture which will permit the solder to flow onto the surface of the metal not simply stick to It In a pasty »tu. LONG RANGE RADIO ENTERTAINMENT MONDAY, APRIL 13, 1923 . Programa of Following Distant Stations Scheduled for Eastern Standard Tims 3 TO 4 P.M. Meters. Miles. 3:oo—New York: Musical program WMCA 841 204 J.New York: Talks: musical program; vocal solos WGBS 815.6 204 Newark: Musical program by Hay Nichols' Orchestra WOK 406.2 193 Philadelphia: 'The Popular Hour Radio Man”; music .WFI 394.5 123 Detroit: Musical program by the Detroit News Orchestra WWJ 332.7 897 Kansan City: Indies' hour: Sweeney Radio Trio WIIB 865.6 942 Philadelphia: "The Millenium''; artist recital WIP 508.2 123 San Francisco: Reading of Scriptures from studio KPO 429.5 2,442 Mlnneapolis-St. I‘aul: Woman's hour; talk; musical program ...Wt’CO 416.4 937 3:3o—Chicago: Recital from broil & llealy Concert Hall WON 370.2 691 Pittsburgh: Closing market quotations from Stockman's KDKA 809.1 188 Ijos Angeles: Musical program, Piggly Wiggly Girls KHJ 404.1 2.300 3:43—New York: Talk: vocal and Instrumental program .WHN 361.2 204 Newark: Fashion talk by Dorqthy Mines WOR 403.2 195 4 TO 5 P.M. 4:00—Boston: Musical program by Copley Plata Trio WNAC 280.2 890 New York: Vocal and instrumental program; poems WHN 361.2 204 Chicago: Varied program; poems; humor; entertainment WON 370.2 694 II Mlnneapolls-St. Paul; Market reports; Readers' Club WCCO 416.4 937 San Francisco: Rudy Selger's Fairmont Hotel Orchestra KPO 429.5 2,442 Philadelphia; Garden talk; "The bife of Thomas Jefferson” ~..W1P 508.2 123 New York: le>w Reese's Orchestra program YVMCA 341 204 1 New York: Women's Press Club program WJZ 434.3 204 Davenport: "Home Management,” by Aunt Jaue ................WOO 483.6 737 New York: Vocal solos: French lesson; story WEAF 491.3 204 ~ 4:l3—Detroit: Music by the Detroit Symphony Trio WCX 516.9 397 4:3o—Kansas City: Musical program from Newman and Royal Thea ters WDAF 365.6 942 g New Y’ork: Joseph Knecht's Waldorf-Astoria Orchestra WJZ 454.3 204 _ Philadelphia: Artist recital, vocal and instrumental WUT 394.3 123 4:4o—Philadelphia: Police reports: organ and .trumpets WOO 508.2 123 4:43—Chicago: Home-niakera’ hour; women's club contest WL3 844.6 594 6 TO 6 P.M. ~ 3:oo—New York: Jack Glassner's Orchestra program WHN 361.2 204 1 Cincinnati: Recital by pupils of Helen Abercherie WLW 422.3 403 l Louisville: Organ recital; news: markets: readings WHAS 399.8 . 471 ’ _ Chicago: Mothers in council; teachers’ council WMAQ 447.5 594 j s:3o—New Y’ork: Farm and home market reports; news .....WJZ 454.3 204 f 6 TO 7 P.M. 6:oo—Detroit: Dinner concert by Jean Goldkette’s Ensemble WCX 516.9 897 Kansas City: Boy Scout program WDAF’ 365.6 942 New York: Dinner concert from Hotel Waldorf-Astoria WKAF 491.5 204 i Philadelphia: Weather; Hotel St. James' Orchestra WIP 506.2 123 1 Chicago: Stock exchange quotations: market report WGN 370.2 594 Boston: Children's program: stories and music WNAO 280.2 890 Detroit: Dinner concert program WWJ 352.7 897 New Y'ork: Children's stories by Uncle Geebee WGBS 315.6 204 5 Atlanta: The Georgians; news: bedtime story WSB 428.3 542 5 Schenectady: Produce and stock quotations; news WGY 870.5 313 Cleveland: Dinner dance music by Royal Canadian* WTAM 389.4 303 Springfield: Dinner concert by Vvertinghouse Trio WBZ 331.1 321 Oakland: Musical jirograra and shakers KGO 361.4 2,434 > 6:ls—Dinner concert by KDKA Symphony Orchestra KDKA 309.1 188 - Newark: Dinner concert by the Cotton Pickers* Orchestra WOK 405.2 195 6:3o—Schenectady: Dinner concert by Hotel Ten Eyck Trio WGY 379.5 313 Atlantic City: Dinner dance music from Hotel Knickerbocker...WPG 299.8 124 Philadelphia: Bellevue-htratford Hotel Orchestra WFI 394.5 123 l New Y'ork. Lew Krueger’s Aladdin Dance Orchestra WGBS 315 6 204 Boston; Dinner dance music from Checker Inn WNAC 280.2 390 , Chicago: Skeezix time for children: atoriea WGN 570.2 694 Mlnneapolls-St. Paul: Children's hour by Mrs. Hayden WCCO 416.4 937 New Y'ork: Violin solos by Olcott Vail WHN 361 2 204 6:4s—Philadelphia: Agriculture, live stock and produce markets.... WIP 508.2 123 Davenport: Chimes concert program WOO 483.6 737 Omaha: News period by Eugene Konecky WOAW 526 1,012 6:so—New York: “Germs. Friendly and Unfriendly” W.N'TO 526 204 Schenectady: Talk by Harold Anson Bruce, sports WGY 379.3 313 7 TO 8 P.M 7:oo—Schenectady: Talk; addresses: WGY Orchestra: songs WGY 379.5 313 New York: Harry Ash's Otchesira program ...WNYCS 526 204 Omaha: Organ recital; Gus* Orchestra ........WOAW 526 1.012 Davenport: Police reports; news bulletins WOO 483.7 737 Philadelphia: Bedtime story: roll call; dance lcßson WIP 508,2 123 New York: Hotel Alamac Dance Orchestra program WHN 361.2 204 Minneapolls-St. Paul: Sport talk; "Cleaa-Up Week” WCCO 416.4 937 Chicago: Organ recital by Edwin Seder WGN 370.2 594 New York: Talk; bew Krueger's Orchestra WGBS 315.6 2t>4 Oakland: Hotel St. Francis Orchestra program KIJO 361.2 2,434 • j Springfield: Market reports; liedtime story: reading WBZ 331.1 321 New York: “Women vs. Politics”: musical program from Mark , Strand Theater, WOO and WEAF 401.3 204 New York: Bernhard bevitow’s Hotel Commodore Orchestra WJZ 454.3 204 Kansas City: Musical program; adoresses; stories WDAF 365.3 942 s Chicago: Markets; weather; farm news bulletins WbS 344.6 594 Chicago; Organ: Hotel ba Salle Orchestra; Altar League WMAQ 447.5 594 Cincinnati: Dinner hour concert program WLW 422.3 403 Cleveland: Musical program from State Theater WEAR 38V.4 803 Chicago: News, financial and final markets KYW 535.4 594 Hartford: Pinner concert by Hotel Bond Trio WTIO 348.6 301 7:ls—Pittsburgh: Stockman market reports: Bible talk KDKA 300.1 188 7:30 —Atlantic City: Reading by Mrs. Janies Lord WHAR 275 124 Dallas: Buddy's Blue Melody Boys’ Orchestra WFAA 475.9 1,183 | San Francisco: ltudy Selger’s Orchestra KPO 429.3 2,442 , Philadelphia: Dream Daddy, with boys and girls WLTT 394.5 123 Springfield: Educational lecture WBZ 331.1 321 Newark: Concert by the Shrine Band WOU 405.2 195 Boston: Concert by Copley Plata Orchestra WNAC 280.2 890 New York: Health talk: orchestra WHN 861.2 204 New York: Police reports; talk; Harry Ash's Orchestra WNTC 526 294 8 TO 9 P.M. B:oo—New Tork: Music talk: piano recital; finance W.NYO 526 204 New Y'ork: Battery talk; Roseland Dance Orchestra WHN 561.2 204 Boston: "Barbara Lee.” presented by the Fllene Co-operation Association from Tremont Theater WNAC 280.2 S9O Newark: Vocal and instrumental program WOR 405.2 195 Springfield: Alleppo Drum Corps Band; violin solos WBZ 331.1 321 Philadelphia: "Short-Agro Waves"; Arcr lia Orchestra .. WLIT 594.5 123 Atlantic City: Seaside Hotel Trio program WHAR 278 124 Chicago: Children's bedtime story by Uncle Bob KY'W 335.4 594 New York: Talks: "American History”; music WJZ 454.3 204 Cleveland: Concert by WTAM Symphony Orchestra WTAM 389.4 303 St. Louis: Music from Grand Central Theater K8I) 543.1 710 Detroit: Musical program by Detroit News Orchestra WWJ 352.7 397 Los Angeles: Herald news bulletins KFI 467 2,300 Kansas City: Address; musical program by Y. M. H. A. and the T. W. H. A WHB 865.6 942 Portland: Children's program: bedtime stories KGW 485.1 2,367 Denver: Market reports; news bulletins: story KOA 322.4 1,489 Richmond Hill., N. Y.: Vocal and instrumental program WAHU 315.6 204 8:15 —Berrien Springs. Mich.: Concert by Lighthouse Music Makers...YVEMC 285.5 533 Pittsburgh: English story; Little Symphony Orchestra KDKA 309.1 18S B:3o—Philadelphia: Hans Barth, concert pianist: Juatin Lawrie, tenor; A. & P. Gypsies WOO 608.2 123 New York: Program same as WOO, Philadelphia WEAF 491.5 204 Boston: Same as WEAK. WCAP, WCAE. WJAR, WWJ WNAC 280.2 390 Memphis: Farm talk by Dr. W. Watson of the Chamber of Com merce WMC 499 7 763 Detroit: Musical program WCX 616.9 397 bos Angelca: Examiner program KFI 487 2,300 lowa City: Talks; music by faculty WSUI 483.6 787 Newark: "A1 Reid's Hour" from Branford Theater WOR 405.2 195 New York: "Hair Talk”; Littmann's Orchestra WHN 361.2 204 San Francisco: Stories; children's program; music KIX) 429.5 2.442 9 TO 10 P.M. 9:oo—Jefferson City: Address; old time fiddling program WOS 440 9 818 Troy, N. Y.: Orchestra: vocal and Instrumental program WHAS 379.5 316 Ziou. fil.: Mixed quartet; school chorus; trombone quartet; organ; -solos; readings WCBD 344.6 617 Atlantic City: Chalfonte Haddon Hall Trio WPG 299.8 124 Atlanta: Song hour by Rose Matthews WBB 428.3 542 Minneapolis Bt. Paul; Talks: musical program ...WCCO 416.4 937 Kansas Ctty: "Around the Town” WDAF 365.6 942 Richmond Hsll, N. Y.: Whistler; *>-ing trio; solos WAHG 315.8 204 Portland: Dinner concert: organ recital KGW 485.1 2,357 Springfield: Hebrew University celebration .WBZ 831.1 321 New York: Double brass quartet of the W. U. Messenger Boys; Alfred Seeger, baritone; concert by the Trio 6ono, Instru mental WNTC 526 204 9:13—1g>3 Angeles: Dinner hour program KNX 336.9 2,300 9:2o—New Tork: Eddie Goldfield: Gregory's Orchestra WHN 861.2 204 Philadelphia: Movie talk: Btanley 1 neater program WLIT 394.3 123 j 9:30 —Memphis: Hotel Gayoso Orchestra program WMO 499.7 763 Dallas: Recital by Mozart Choral Club WFAA 475.9 1 183 Newark: Talk; Dr. Spaeth and studio party WOR 405.2 - 195 Ban Francisco: State's Restanrant Orchestra KPO 429.5 2,442 Hot Springs: H. person Brown College, Arkadelphia KTHS 374.8 905 9:4o—New York: Willi., u Ballyn of the Berengarla WJZ 454.8 204 9:4s—Los Angeles: KFI Kadiotorial KFI 467 2,300 10 TO 11 P.M 10:00—bos Angeles: Herald program KFI 487 2.300 New Y'ork: Piedmont Trio: Waldorf-Astoria Orchestra WJZ 454.3 204 San Francisco: Rudy Beiger's Orchestra; Johnny Buick’s Am phtans KPO 429.5 2,442 Hot Springs: Concert by New Arlington Hotel Orchestra; Hen derson-Brown talent KTHS 374.8 905 Philadelphia: Arcadia Dance Orchestra: features from Knick erbocker Theater; Jimmy Junes' Elk6’ Dance Orchestra WLIT 394.5 123 New York: "Trend of the Times”; police reports; weather forecast WNTC 626 204 Portland: Organ; markets, weather; news KGW 485.1 2 357 Richmond Hill, N. Y.: Sychrophase String TYlo; Glen Smith's Paramount Orchestra WAHG 315.6 204 Minneapolis-St. Paul: Weather forecast WCCO 416 4 937 Troy. N. Y.: Original radio pageant, "The Minuteman,” in six parts WHAZ 379.5 316 Atlantic City: Trio; Paul Whiteman's Orchestra WPG 299 8 I°4 Pnlladelphia: Blue Ribbon Quartet; Ben Bernie and his Hotel Roosevelt Orchestra . WOO 608° 123 New York: "Blue Ribbon Quartet”: Beo Bernle's Orchestra, same as WOO WEAK 491 5 204 Pittsburgh: Weather: Ruud light opera hour KDKA 399.1 188 Deurer: Orchestra; vocal and Instrumental program KOA 822 4 1 489 St. Louis: Artist recital, instrumental KSD 345 1 ’7lO Omaha: Father end son program; talks; quartet; Lenheit Grim Orchestra: vocal solos WOAW 626 1 ojo 10:30 —Hastings. Nebr.: Vocal and instrumental program KFKX ”88 3 1 138 10:40—Newark: Perry and Russell, two-man singing orchestra. WOR 405 2 ’195 II P.M. TO 12 MIDNIGHT. 11:00—Philadelphia: Vincent Rizzo’s Orchestra WOO 508 2 123 Troy. N. T.: Tocal and Instrumental program WHAZ 879 6 316 New Tork: Organ recital WHN 361” 204 Los Angeles: "The Peter Pan Girl" KHJ 404 1 0 300 San Francisco: Organ recital KPO 429 5 2 44° Tx>9 Angeles: Owl Drug Co. program KFI 467 2 300 Hot Springs: Music: dance program by Eastman Hotel Orchestra. KTHS 874.8 'eos Los Angeles: Western Auto Supply Co. program KNX 336 9 2 300 Cincinnati: Dance program by Roehr’s Orchestra WLW 4”2 3 ’403 Cleveland: Organ recital WTAM 889 4 303 Oakland: Regular program 381 4 0434 11:30—Newark: “The Commanders” WOR 405 2 ’195 Springfield: Dance program by MeEnelly's Singing Orchestra... WBZ 3311 8”1 Minneapolis-St. Paul: Dance program by Frank's Orchestra ...WCCO 4164 917 New York: Silver Slipper revue; Carr's Orchestra WHN 361 ” ”04 11:46—Atlanta: Royal Holland Bell Ringers WSB 428!5 542 12 MIDNIGHT TO 1 A M. 12:00—Los Angeles: String Quartet; artist program KFI 467 2 300 San Francisco: Program by John Hartlgan KPO 429 5 2 442 Richmond Hill, N. Y'.: Midnight program .. WAHG 315 6 ”’”O4 6t. Louis: Musical program K6D 545 1 710 I 12:30—Los Angeles: "Anniversary program” KHJ 404 1 ”300 I 12:43—Kansas City: “Nlghthawk frolic” WDAF 365 6 ~’94” , | 1 TO 2 A.M. :! I:oo—San Francisco: Johnny Buick’s Amphlans KPO 429 3 ”44” Los Angeles: Roy Nevin and his syncopators ...KFI 467 ”300 Oakland: Dance program from Hotel Bt. Francis . KGO 861 4 2434 Los Angeles: Orchestra program KNX 336.9 2 300 2 TO 3 A.M. 2:oo—Los Angeles: Hotel Ambassador Orchestra program KNX 3C6.9 2,300 Radio Ordered on Lifeboats. Hereafter all British passenger liners must be fitted with at least one lifeboat equipped with radio transmitting apparatus, according to a recent rule of the London Board of Trade. These sets will be able to send up to r.O miles, and the receiving sets used in -conjunction with them will receive signals at least 1,000 miles, according to the power of the sending station. Derby Races Reported on Air. Before even a small part of the crowd that gathered recently at Epsom Downs in England to witness the Derby (the biggest horse racing event in Great Britain), knew the name of the winning horse thousands of radio listeners as far off as India, South Africa, and even South Amer ica, had heard the news over the air. No provision was made to announce the news at the race course, so that distance in this Instance had its ad vantage through the mfcacle of radio. THE EVENING STAR, WASHINGTON, I). MONDAY, APRIL 13, 1925. Standard Short Wares. Fans and amateurs interested in ad justing their wave meters and re ceivers to some of the shorter wave lengths will have an opportunity April 20 and July 20, when WWV of the Bureau of Standards, and 6 XMB of Stanford University, Calif., send out standard frequencies. On April 20, at 10 p.m., these stations start transmitting on wave lengths run ning from 100 meters down to 50 meters, and on July 20, from 200 meters to 100. Longer wave length standards 'will be transmitted May 6 and 20 and July 5. Five Eras of Music. "Period music, representative of five eras In the. history of musical development—modern, -preejnodern, romantic, classical and clavichord—j will be one of the daylight tions of 'Denver’s huge festive I to he hroartoa't "IfHE llpP RADIO AROUSES MUSICAL PROFESSION IN LONDON Slump in Concert Attendance Blamed on Pooor Programs Offered. By the Associated Press. LONDON, April 13.—The rapid spread of radio broadcasting- popu larity in England has hit the mu sical profession pretty hard, accord ing to a number of popular concert artists’ managers, but the powers that be In the musical world seem in clined to attribute the slump in con cert attendance not to wireless com petition, but to dull concert pro grams. Sir Landon Ronald, director of the Guild Hall School of Music, haa al ready come forward with the state ment that concerts must be bright ened if they are again to become a paying proposition. A number of leading vocal artists have seconded the suggestion that a majority of the present-day programs are completely out of date and that no progress has been made in the management of con certs in a quarter century, while at the same time the halls available In London are dingy and old-fashioned, with uncomfortable seats. While the reditals of Individuals have always been more or less unre munerative unless the artist had at tained front rajik in his or her pro fession, it is news to the nfajorlty of the British music lovers that or chestral and choral concerts have not been paying. A number of promi nent musical authorities already have taken steps In an effort to entice those who have strayed away. PROTEST INCREASES | IN CLASS B STATIONS I Radio Magazines Plan Fight to Relieve Crowding of Wave Bands. Pour of the leading radio publica tions of the country have made plans for a Summer campaign to reduce the number of Claes B broadcasting stations, it was learned today follow ing an opening broadside against the air congestion published by one of the magaztnes. Intimations that the drive against the crowding of the wave bands would be launched were given to De partment of Commerce officials at the recent conference in New York, at which the metropolitan situation was discussed. The magazines, it is un derstod, will urge a complete revision of the present allocation system, the j revocation of licenses from stations which do not use their time on the air and the refusal to grant any more licenses for Class B plants. Coincident with the beginning of the campaign, the radio section of the Department of Commerce has started a survey to determine the number of its allotted hours each of the B broadcasters employs every week. It is believed by officials, how ever, that only one or two stations will be found which are not keeping on the air regularly during all or most of their available time. Store Conferences Planned. Additional conferences with owners of Class B stations also are planned by the department, one this week in Chicago aJid a second probably nc*t week in. the New England district. At these meetings it is hoped that the station owners themselves can arrive at plans for elimination of in terference within their districts. Ap plications for additional licenses also will be discussed at the-se .regional conferences. In the way of discouraging pro spective broadcasters from entering the already overcrowded field, the De partment of Commerce has ’done everything but order the new comers to stop construction. In spite of this, however, there has been no noticeable decrease in the number of petitions. It is understood that the magazines will urge the calling this Summer or Fall of a fourth radio conference in Washington to consider a complete revision of broadcasting bands. The new uses to which the low-wave bands have been put and the growing interest in the higher waves are argu ments which will be advanced in sup port of their plea for another govern mental parley. ENGAGEMENT OF GIRL, 18, TO MARCONI IS DENIED Father of Miss Betty Paynter, British Beauty, Contradicts Report Through Press. Br the Associated Press. LONDON, April 13.—1 n a note to the press today, C. H. Paynter says: "Please contradict the statements in the press that my daughter, Betty ■Paynter, is engaged to Senator Mar coni.” The London Daily Express last Wednesday said it understood the en gagement would shortly be announced of William Marconi, the wireless in ventor, and Elizabeth Narcissa Payn ter, 18-year-old daughter of a Corn wall family, whose father was an intimate friend of Senator Marconi. The newspaper quoted Miss Paynter’s mother as declaring: "Nothing definite regarding an en gagement can be said yet, whatever may be made known in the future.” The Express commented on the beauty of Miss Paynter, describing her as a splendid example of country girlhood, and said that Signor Marconi .had been a frequent visitor to the family home at Bosquenna, where he installed a radio receiving set which enabled him to talk from his yacht Electra at sea. - • The bone frame of an average whale weighs about 45 tons. W v • F Y II garters were worn around the neck you’d change them frequently. PARIS GARTERS i NO METAL CAN TOUCH YOU | %nc far a fresh par? FIFTEEN MINUTES OF RADIO EACH DAY BY JOSEPH CALCATERRA, Noted Authority on Radio. All Bights Beserved. Reproduction Prohibited. Some Facts Aboat Different Tjws of I Superheterrtdyne Circuit*. Fart 1. The purpose of this series of articles is not so much to discuss the now well known principles of the super heterodyne and how the principle was discovered as it is to outline the vari ous ways which have been used to accomplish the end desired, namely, of changing! the incoming short wave into one of greater length or lower frequency for most efficient amplifi cation. A very brief description of the prin ciple involved, merely to refresh the memory of some who have not given the subject very much thought, will therefore be all that will be taken up in this article on the fundamental theory of the circuit. Frequencies and Oscillation. Radio engineers before Armstrong's time knew that the combination of waves of two different frequencies could be used to produce a wave of a frequency equal to the difference be tween the two. Fesspnden, it seems, was the first to introduce tills prin ciple into practice for the purpose of receiving continuous waves by pro ducing an audible beat note by the Interaction of a received continuous wave and a continuous wave produced by a local osoillator. The principle of the heterodyne ac tion in connection with radio waves is similar to the principle of beat production in sound waves. t It was also known that amplifica tion at radio frequencies could best be accomplished by the use of long waves. Short waves of the type used In radio broadcasting do not lend themselves to efficient amplification at radio frequencies. Prinelple of Superheterodyne. It was Armstrong who put two and two together to make four. He rea- UTILITIES BOARD DECISION MAY SHUT DOWN WCAP Holds Broadcasting Cost Not Prop er Charge Against Phone Operation Expense. Radio broadcasting by public serv ice corporations has been hit a blow by a decision of the District of Co lumbia Public Utilities Commission. The commission holds that a broad casting station must stand on its own feet and that the cost of its installa tion, equipment and operation is not a proper allowance In fixing the val uation of the owning company for rate-making purposes. This decision was reached in the case of Station WCAP, owned and op erated by the Chesapeake and Poto mac Telephone Company, one of the two broadcasters of the Bell tele phone system. In passing upon the valuation of tho company the com mission struck out J 125.000 claimed as an allowance for WCAP. Officials of the telephone company were silent today when asked if the decision might result in removal of the station to another city. “There is nothing that can be said just now.” on© official explained. “The most we can promise is that WCAP will b© on the air Sunday and Mon day.” It is understood that a study will be made of the actual cost of the sta tion during the past year in which it has operated as a commercial station to determine whether the sale of time on the air can make broadcasting profitable. Want Esperanto on Air. A new radio periodical is being published In Switzerland in tlie “in ternational” language. Esperanto. The new publication comprises four pages and is called Radio-Servo. It is of newspaper size and devoted in part to propaganda for making Es peranto the world-wide language through Its use in radio broadcasting. TIME 7*^^ Dr. Lyon’* when you tire M of either the harsh grit or powerful M % flavor of your dentifrice. You will m ■ like the change—no drugs, no risk. B I Dr. Lyons l I POWDER V CREAM I I* i* b\ Press Arm'.y the BBBm.' \Bt jlesk between Qv hand \ •r.*’ returns «( #*c», /■''ll when pressure wV / » removed, JK jE' dicates Anemias. Are You Master or Victim of Your Nerves? Thes* Tests T ACK of energy—despondency —lessening Will Tell Y«s! J-/ vitality, nerve “spells” —these are com ®mon things. We see them ail about us. And in eight esses out of ten they are caused by Anemia—blood-starvation. Gude’s Pepto-Mangan haa been restoring health to run-down bodies for thirty-two years. _ .. Rich in iron and manganese, it is easily Sputtse the * J thumbnail hard. assimilated by the blood and distributed to Unless it reddens every cell in the body, rebuilding energy, uTndiZtld.'"'* revitalizing the entire system. Thousand, of physicians prescribe it. ©Now —as you read this —try the simple tests pictured. And if Anemia is indicated, go to your druggist at once. He can give you Gude’s Pepto-Mangan in either liquid or tablet form. Pull damn lamer _ - Gude’a Vs&HA Pep t o - Mangaxt insT" m * y *Tonic and *Biood Cnricher I soned that for most efficient amplifi cation at radio frequencies long waves were rejuired. He also reasoned that the short waves could be changed into long ernes by the use of the heterodyne principle. The result of his reasoning was the circuit to which the name ''superheterodyne” was ap plied. The usual procedure Is to have a locally produced oscillation act upon the received oscillation to produce a long wave oscillation for much effi cient amplification. The usual superheterodyne circuit consists of a detector for bringing in the desired signal; an oscillation for produciing local oscillations to act upon the received oscillation; three stages of sharply tuned intermediate amplifiers which amplify the result ant oscillation at a predetermined frequency best suited for amplifica tion; a second detector for reducing the signal to audio frequency, and one or two stages of audio frequency amplification to increase the audibil ity of the signal. Amplification Explained. No matter what the frequency of the incoming signal, the oscillator can be adjusted to the required dif ference to produce an oscillation of the frequency decided upon as the best for efficient amplification. This Is the frequency to which the intermediate amplifying transformers are tuned. A frequency of 30 kilo cycles, or 10,000 meters, is acknowl edged to be the best for all general purposes. The fact that the radio frequency transformers can be tuned rather sharply, especially the input air-core transformer, produces a filter system that gives the utmost in the way of selectivity. In the matter of selectivity the su perheterodyne stands supreme. WAVE LENGTH ROWS ON IN NEW ENGLAND Number of Stations Appeal for Leave to Change for Bet ter Locations. Having effected at least a tempo rary solution of the New York City broadcasting problem, the Depart ment of Commerce Is now confronted with a new outbreak of the "wave lengthitis” epidemic, this time in New England. According to its established method of treatment in other localities, the department has suggested that the stations involved first write their own prescriptions. If this proves In effective, it j s possible that another remedy may be provided by the radio diagnosticians at the Capital. About the only New England sta tion that Is fully contented with its lot is WBZ, Springfield. W.VAC, Bos ton, and WJAft, Providence, have in quired as to the possibility of chang ing their wave-lengths to more de sirable locations, and the C. T. Slierer plant, at Worcester, is particularly desirous of moving up with the class B broadcasters. According to the files In which the radio section of the Department of Commerce places its interference complaints, the ethereal congestion in New England is perhaps worse than in any other section of the country. As a further indication of the popularity of radio In the North eastern State is noted the fact that of the 37 stations which turned in their licenses during February, none is in New England. As the first step toward quieting the air. particularly around Boston and Providence, and satisfying, as far as possible, the requests of the class B stations, it is planned to hold a conference of all of the New Eng- land district station owners at an early date. Radio Supervisor Charles G. Kolster, at Boston, will represent the Government at the meeting- New Station at Nicaragua. The new wireless station at Blue fields. Nicaragua, was opened by the Tropical Radio Telegraph Co. March 9, according to consular ad vices to the Department of Commerce. This station is located on a hill back about three-fourths of a mile from the water front and business section. It has two steel towers, 200 feet in height, carrying an 800-foot antenna. The cost of construction, including office, power buildings and residence for employes, exceeded $60,000. The Tropical Radio Telegraph Co. has stations at Managua and at Cabo Gracias a Dios, and the Cuyamel Fruit Co. operates two small wire less stations, one at Rio Grande Bar and the other at El Gallo. The Brag man Bluff Lumber Co. at Puerto Ca bezas maintains a private station. The tariff to Rio Grande Bar. El Gal lo, Puerto Cabezas and Cabo Gracias a Dios, distances from Bluefield vary ing from 100 to 180 miles, is 70 cents a word; to Managua. 10 cents a word; to Panama, 20 cents a word, and to Washington, 54 cents a word. A FOURTEEN YEARS AHEAD IN MODERN PRINCIPLES , Read the following recent articles: a Saturday Evening Post, April 11, “Fighting the Chain Stores.*’ a American Lumberman, Jan. 10, “Cash Lumber Sales Successful.” £ OUY from a Building Materials Company, which by 4 L# its spot-cash policy cuts out the enormous i expenses of bookkeeping, collecting and credit losses and gives you the saving. a Which permits you to save delivery expense when 4 % you carijy away your purchase, or will deliver for 4 you at actual cost. This Company carries a clean, well selected stock 4 of all materials from “Foundation to Roof*’ and 4 permits you to supply all your building wants at one a place at the right price without loss of time. % The Hechinger Co. makes a special effort to 4 cultivate and hold its trade through good service and a courtesy. % We sell to that portion of the public who will not 4 pay for the other fellow’s bad debts. a * ’ < Rock-Bottom Priced < > New Building Materials < W \ i Hechinger Co. \ X sth & Fla. Ave. Northeast— 6th & C Sts. Southwest 4 " Headsriro? Clear the digestive tract, if you would relieve dizziness, PI the dark ages of medical knowledge, people didn’t understand that most unpleasant of af flictions—uncontrolled dizziness. They blamed the heart, the lungs, the brain—everything but the right thing; suffered untold torture as a result. Today, sensible people know that dizziness is simply a symptom. It usually means that con gested waste matter in the digestive tract is saturating the entire system with its poisons. Whenever your “head swims,” you may be sure that a dose of Pluto Water is in order. This safe, quick-action water physic goes di rect to the root of the trouble. In 30 minutes to two hours, the poison is expelled and a normal feeling of equilibrium returns. Get relief promptly and thoroughly with Pluto Water. Pluto ia prescribed by physicians, sold by . E3 druggists and bottled at French Lick Springs, Jr II Indiana. k PLUTO § i§ WATER 'ft jj|gg fVken Nature Won't Pluto Will RADIO’S BEST OFFERINGS TONIGHT. Musical program by the Chesapeake & Potomac Tele phone Co. Male Chorus, VVCAP, Washington, 8:20 to 8:45 o'clock. Presentation of "Barbara Lee,” from the Tremont Thea ter, WNAC, Boston, 8 o’clock. Program from the Branford Theater, WOR, Newark, 8:50 to 9:30 o’clock. Hebrew University celebra tion, YVBZ, Springheld, 9 to 11:30 o’clock. Original radio pageant, “The Minutemen,” in six parts, WHAZ, Troy, N. V., 10 to 11 o’clock. Program by the Oxford Col lege Glee Club, WLW, Cincin nati, 11 to 12 o’clock.