Indianapolis Times, Volume 40, Number 104, Indianapolis, Marion County, 20 September 1928 — Page 9

SEPT. 20,1928

- .EXPERTS STUDY SHIELDING OF RADIOGIRCUITS Much Research Devoted to Protection of Receiver Parts. Bil Time* Special NEW YORK, Sept. 20.—Shielding Rf radio circuits and parts, as ex- ■ pressed in the astounding array of ■radio receivers on display at the ■Radio World’s Fair in the new Mad■son Square Garden, has been given Rnuch thought by engineers. The Bast year of research on this imporBant subject has brought out some Rew and important theories and a Rumber of practical methods of apr plication. A study of the more important models exhibited at the show reveals the fact that two general classes of ihielding have been used profusely n this year’s models—magnetic ihielding and electrostatic shielding. . Two “Fields of Force” Radio experimenters are familiar with the two kinds of electrical 'fields of force” with which radio shenomena is so closely linked. These are the so-called electro-mag-letic field and the electro-static ield. ; The magnetic field is a stress or listurbance around coils used for coupling radio circuits together. It Is similar to the attracting or rejelling force that exists in the vieinty of a permanent horseshoe maglet. ' However, instead of being a steady tnd practically permanent force, it is rapidly moving and reversing in polarity in accordance with the alnost unbelievable rapidity of radio filiations. Gives More Trouble This type of field gives the most rouble in radio receivers and differs rom the second type of field in that ;he static type of field is a state of :harge of the space around metallic tbjects, which in themselves possess ilectrical charges of a stationary iharacter. In shielding against magnetic ields, the manufacturers have used netal cans of various shapes, that entirely enclose the coils or other parts requiring shielding. These shields are tight-fitting and are usually pressed out of metal sheet into the form that most economically covers the instruments Aluminum, Brass Used The metals most commonly used are aluminum, copper and brass, with some iron or steel used, in some cases, for the framework. Aluminum is by far the most popular however, probably because of its light weight and high electrical conductivity, eoupled with the ease with which it may be worked and machined. . **Only metals that have good conductivity can be used with satisfactory results and that is why the leading manufacturers have generally preferred either aluminum and copper.

Daylight Hits Central Daylight Time

THURSDAY —NBC System (WEAF)— 8:00 —Dr. Copleund hour. —WMAQ, Chicago--10 :00—Overture hour. —NBC System (WEAF)— 10:00—Household institute. —WBBM. Chicago—12:00—Luncheon musicale. P M. —WGY, Schenectady—--12:3o—Television0 —Television broadcast. —WMAQ. Chicago—--2:4s—Sox vs. Yankees, also WGN. —WCCO, Minneapolis—--4:oo—Minneapolis vs. Milwaukee. FRIDAY A. M. —NBC System (WEAF)— 10:15—Household institute. P. M. —W r MAQ, Chicago—--I:oo—Musical potpourri. 2:4s—Sox vs. Yankees, also WGN. —WLS, Chicago—--3:3o—Homemaker hour. —WCCO Minneapolis—--4:oo—Minneapolis vs. Milwaukee. —JKSTP, St. Paul— Kansas City vs. St. Paul. Wife 35 Years Asks Divorce jßj/ Times Special FT. WAYNE, Ind., Sept. 20.—Mrs. Effle Reese has filed suit for divorce alter being the wife of Jacob N. Reese for thirty-four years. She alleges her husband cursed and nagged her and failed to. provide.

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Fishing The Air All references are Central Daylight Savin* Time

A PROGRAM of compositions Dy John Philip Sousa, veteran conductor and composer, will be played by the United States Navy band, directed by Charles Benter, through the NBC System tonight at 6 o’clock. Opening with the stirring march, “Stars and Stripes Forever,” the band will play selections from “The Bride Elect,” the famous “Washington Post March,” “The Black Man,” from “The Dwellers of the Western World,” a suite; and “The Grand Promenade at the White House,” from “Tales of a Traveler.” “The Little Duke,” an operetta by Charles Le Cocq, will be presented by the United Light Opera Company through twenty associated stations of the Columbia Broadcasting System at 8 o’clock tonight. Edna Sparkman of The Delineator magazine will broadcast some valuable hints for housekeepers under the title “First Aid in Kitchen Equipment” through WEAF of the NBC System on Friday morning at 10:45. * tt tt ana QUESTION—I have a three-tube Crosley set. I have recently purchased a “B” eliminator, but at present have no "A” eliminator. Do you think that I could use this set with an "A” eliminator? I would like to use one power tube. I formerly used this set by drv cell power, and I wonder If I would have to change any wiring on the set to use the "A” eliminator.—J. B. B. Answer —Yes, an “A” eliminator can be used, providing the proper current supply is available. No change in the set’s wiring is required. The eliminator’s two posts marked positive and negative connect in place of> the positive and negative terminals of the storage “A” battery. The power tube can be used in the last audio stage. If such a tube is employed the “B” voltage must be at least 135 volts and the correct “C” battery as specified on the directions furnished with the power tube must be used. tt tt tt tt tt tt Alexander Kirilloff’s Russian novelty orchestra will be presented during the Orchestras That Differ period, to be broadcast through the NBC System tonight at 8 o’clock. tt tt tt tt tt tt Another program designed for the real music lover will be broadcast by nineteen associated stations of the Columbia Broadcasting System under the title of “Melodies and Memories” at 9 o’clock tonight. The program, which will be given by the large string orchestra, opens with the “Gigue” from Handel’s “Terpsichore” and features * the four parts of Castrucci’s “Sonata,” in addition to works by Borodine, Schumann, Faure and Schubert. Stations of the Columbia System which will broadcast this program are WABC, 2XE, WFAN, WNAC, WEAN, WFBL, WMAK, WJAS, WADC, WAIU, WKRC, WGHP, WOWO, KMOX, WMBC, WSPD, WICC, WHK and WMAF.

HIGH SPOTS OF TONIGHT S OFFERINGS 8:00 —WABC Network United 6:OO—WJZ Network—Navy band. Light Opera Company. 8:00-WOR Newark-The Modern Symphony. B:3O—'WJZ Network Maxwell B:SO—WEAF Network—The ForHour. , tune Teller.

“On Sunset River as It Flows Into the Sea,” is the scene of the broadcast by the River Choristers through the NBC System tonight at 7 o'clock. tt tt a tt a a Despite its earnest efforts to please the “listening public,” the National Broadcasting Company occasionally receives requests that it finds difflcul to fulfill. One listener, living in a cabin on the seashore, wants Mrs. Julian Heath, who broadcasts talks on “Your Daily Menu” through the NBC System, to come down and cook him enough “grub” to last for a couple of weeks. He writes that his own cooking has long since ceased to be a source of pleasure to ium—merely a necessity.

New Star Is Discovered Goes On WFBM Program

Director’s Hunch Results in Fine Feature for City Station. Out in Hollywood stories frequently are told of the sudden rise to stardom of an extra girl or a lowly cameraman, whose talent is discovered by some astute director. Happenings like these add zest to j the colorful romance of the movies, i but seldom are looked for outside the film world. However, rights here in Indianapolis, a similarly romantic episode has restated in discovery of anew radio luminary who will make her bow before the microphone of WFBM at 5 p. m. today. This newest artist on the staff of the Indianapolis Power and Light Company station is Lucille Petithory, who will start a series of “Tee Time Talks” for WFBM's feminine audience. Mrs. Petithory’s programs will be a regular half-hour feature of the Thursday offering of the local station, and will cover every phase of feminine interest in fashions, care of the children, housekeeping, beauty hints, etc. A portion of every program will be devoted to answering questions written in by WFBM’s feminine listeners. Credit for “discovery” of Lucille Petithory goes to Earl Mounce, program director of the station. For several years Mrs. Petithory has been a valued member of the studio staff of the station, and her* charming manner and personality has won a host of warm friends. Not long ago, when WFBM was searching for a woman to place in charge of this new program, Mounce “had a hunch” that Mrs. Petithory’s voice and accent possessed the neessary timber for successful radio transmission. To her surprise, Mrs. Petithory was summoned for an audition—and the test resulted so successfully

that WFBM assigned this important part of their Thursday program to her. MELON THIEVES FINED Two Youths’ Sentences Suspended for Looting Patch.

Thomas Marschuetx, 24, R. R. 1, Box 206, and Layman Thomas, 21, R. R. 6, Box 174, are under suspended thirty-day jail sentences today as the result of thefts of watermelons from the patch of Roy Howell near Edgewood. They were fined $25 each and sentenced to thirty days, sentence suspended, by Municipal Judge Paul C. Wetter Wednesday.

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THE INDIANAPOLIS TIMES

Radio 1 -%-i VICTOR CO. IS TOGOON AIR Furniture Firm Will Give WFBM Program. WFBM will inaugurate anew feature program tonight at 8:45 to be continued for the next thirteen weeks, called “The Victor Entertainers.” This program is being sponsored bJ the Victor Furniture Company, 231 W. Washington St., the home of Victor guaranteed furniture. Musical offerings will be given by a seven-piece orchestra with vocalists and the first program will be announced by Leonard Solomon, vice president and general manager of the Victor company. It is the intention of Solomon to request the listeners to this half hour of melody to state their preference of compositions to be played each week, as they are endeavoring to give to their radio public programs which satisfy the greater portion of listeners. After this first program, they will continue with the next thirteen programs on Friday evenings from 9:15 to 9:45 until Dec. 20.

City Stations

WFBM (275.1) INDIANAPOLIS (Indianapolis Power and Li*ht Company) —Thursday— Noon—Correct tote, courtesy Julius C. Walk & Son; Lester Huff on s.tudio organ. P. M. 12:30—Livestock market, Indianapolis and Kansas City. 3:oo—lndians vs. Toledo at Wasbin*ton park. I:3o—ltems of interest from Indianapolis Times Want Ads. s:oo—Correct time: Lucille Petltbory's tea time talks. s:ls—••What's Happening,” Indianapolis Times. S:3O—A chapter a day from the New Testament. s:4s—Safety talk by Lieut. Frank Owens, Indianapolis Police Department. 6:oo—Corerct time: Hoagy Carmichael and band from Columbia Club. 7:oo—Baseball scores. 7:05 Timelv topics, news events from magazine Time. 7:lo—Concert orchestra with soloists. B:oo—Chamber of Commerce message, Ed. Hunter, secretary. B:os—La Sheile Choral Club. B:4s—Victor entertainers. 9:ls—A musical scrapbook. 10:15—The Columnist. Indianapolis Star. WKBF (232), INDIANAPOLIS (H-osler Athletic Club) THURSDAY A. M. 10:00—Recipe exchange. 10:15—Brunswick Panatrope. 10:25—Interesting bits of history, courtesy of Indianapolis Public library. 10:30—WKBF shopping service. 11:30—Livestock and grain market; weather and shippers' forecast. P. M. s:oo—Late news bulletins and sports. 6:oo— Dinner concert. 3:3o—Lena Lunsford Neff. B:oo—Studio hour, under direction of Mrs. Will C. Ilitz. 9:oo—Steiner’s Music studio. At the last session of Congress 23,832 bills were introduced. Only 1,422 were passed and 615 of these were private bills—pensions, claims and resolutions.

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Whoopee Girl

Hey! Hey! and a coupla apple strudels. If it isn’t our little Katheryn of the team of Guy and Kathryn Pulley. Down WLS way there is much ado made when the diminutive miss takes the air with her uke. Kathryn stars on the Monday Dinnerbell program from 12 to 1 o’clock. Steady Patient Bit Times Special PRINCETON, Ind„ Sept.’ 2C.— Marcella Skelton, 7, is a patient in a hospital here for the fourth time in four months. She is suffering from a broken collar bone as a result of a fall while playing. Appendicitis, adenoid and tonsil operations account for the other three illnesses.

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Radio INDUSTRY SAVES MILLIONS EACH YEARJWRADIO Many Uses Besides That of Communication Found by Experts. BY CECIL OWEN United Press Staff Correspondent WASHINGTON, Sept. 19.—Widespread use of radio aside from its purely communication functions is saving millions annually to commerce and industry, according to experts of the Federal Radio Commission today. Millions have been saved for the shipping industry alone by radio as a navigation aid. The United States Lighthouse Service maintains radio beacons at all strategic points along the coast and huge ocean liners are thus kept on their course. Radio beacons also have played a large part in aviation s direction finders. The larger power companies in nearly every big city find radio an invaluable aid in detecting an approaching storm. This information is necessary so they may prepare to meet the “peak load” required during cloudy or stormy weather. Warning of storm is given an hour or more prior to its appearance by means of a radio receiving set and a bell. The set responds to the distant lightning flashes and the bell rings. Geologists in oil-producing States are now using radio to discover oil deposits. The process is simple; an explosive is set off near a suspected oil dome and a radio tranmits the sound overland to a distant receiving station. The time required by the radio wave and the underground repercussion from the explosion are then compared. If the underground sound takes an unusually long time to come through it is probable that its course was deflected by an oil deposit. Use of radio as ah aid to mineralogists seeking to discoved precious metal or ore deposits in the earth is another recent development. Radio impulses are discharged through the area to be tested and the mineral is detected by a process similar to that in discovering oil. Naval experts now have perfected

Night Features Central Davliebt Time

THURSDAY —NBC System (WJZ)— 6:OO—U. S. Navy and. B:3o—Maxwell hour. 9:oo—Michelin hour. NBC System (WEAF)— 7:3o—Hoover sentinpls. B:oo—The fortune teller. 9:oo—Halsey Stuart hour. —WCBD Zion City—--8:00—Zion band. —WSAI. Cincinnati—--8:3O—KIO0 —KIO minstrels. —CNRM, Montreal—--9:OO—CNRM players. — KI’RC. Houston—10:00—Southern Pacific band. —WADC, Akron—10:00—Seining Men's Glee Club. means of controlling a ship by radio and the battleship lowa was sunk in this way some years ago by the United States Navy. Experiments are now being conducted in radio control of vessels by the German navy. A manless ship has been sent out to sea and steered entirely by radio control. Other non-communication uses of radio include the growing art of television, transmission of facsimilie messages and photographs and the utilization of radio in connection with “wired wireless.” Railroads also are saving time and labor by installing radio on long freight trains for communication between caboose and engine. Community Fund Leaders Meet Division and district leaders in the six employes’ divisions of the Indianapolis Community Fund met with Walter C. Marmon, campaign chairman, at noon today at the Columbia Club to perfect organization plans. MOTION PICTURES PABCE IS ll Coming Saturday im 1 I A show of shows. rMGM'S LATEST I'ttf | COMEDY 1 j3% . 1 Musical Accomp \qkm dm m ilf3w l LA NGDON / Sol dier. boy*/yt’ K9XSJJ Indianapolis premia |l| lIIJFF Srgaslo&u* I 1 fox mnem JfP One long laugh from start to finish. Kiddies only 25c under 12.

Now riaving—RONALD COI.MAN AND VILMA HANKY IN “TWO LOVERS”—A SOUND TICTUBE.

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PAGE 9

WIDENING EXTENDED Kentucky Ave. Included in Capitol Project. Widening of Capitol Ave. south of Sixteenth St. will be extended to include Kentucky Ave., Oren S. Hack, works board president, announced today. The works board confirmed resolutions to widen the main thoroughfare to fifty feet. The street is one of the heaviest traveled in the city and is congsted during rush hours. Seven and one-half feet will be added to each side. Costs will be assessed to property owners. Regains Citizenship Bit United Press MONTICELLO, Ind., Sept. 20. Having forfeited his American citizenship through an absence of eleven years in Canada, David Lemuel Coonrod, White County native, who returned here in 1922, has been granted his second naturalization papers by Judge B. F. Carr in Circuit Court. Police Chiefs in Session Bit Times Special ANDERSON, Ind., Sept. 20. Fifty cities are represented here today at the fifth semi-annual convention of the Indiana Police Chiefs Association, which opened Wednesday with an attendance of 150. Speeches, a airplane exhibition, automobile races and a tour of the city are on today’s program. AMUSEMENTS

LYRIC Indianapolis's Only Vaudeville Theater Continueus Itollp. m. THE FIVE MAXELLOS Vaudeville's Greatest Rlsley Sensation GEORGE MORTON & ROSLYN GREEN Beaiitlfol Flower* Florence Micareme & Cos. A Classical Caprice Revue N A NOIL FAIR BILL MILLER and NAT PATTERSON MACK AND STANTON ___ BICKNELL —ON THE SCREEN— Mack Sennett—‘‘His Unluckv Night” Color Classic—“ Love Charms” Ko U.o Cats Cartoons and Patbe News

MUTI'AI ____ BURLESQUE THEATRE A HEADLINER “Sporty Widows” and A Chorus of Youthful Clever, Charming Girls. On the Illuminated Lunway

MOTION PICTURES

’^Ri'vfir'piraTe” with VICTOR McLAGLEN, LOIS MORAN and NICK STUART VITAPHONE MOVIETONE ACTS NEWS —STARTING SATURDAY—THE SECOND GREAT VITAPHONE ALL-TALKING PICTURE “THE TERROR” I