Evening Star Newspaper, July 29, 1925, Page 22

ARMY BAND OPENS WCAP BILL TONIGHT 4:30— 4:50—Philadelphia Concert From Baltimore 10| ;.90 ew vor Follow — Dance Music From WRC Later. musical attractions | 1 tonight of station | United | shington the grad Peabody Con- | Music of Baltimore. | concert will open the | 0 o'clock, while the | Conservatory concert | from $:25 to 9:30. | musical offering a string quintet iuled from 10 will follow an he subject of his evealed 8:05 the w cert of nd at th o of the ad- [ been e made F. Byrd, State| and Democratic on “Virginia’'s at ernor | oft” tonight on| WRC will_broadeast | David Boyd's Willard intil about midnight. | tion's station has | ts afternoon feature | United Capitol Plaza | States Local Radio Entertainment || Wednesday, July 29, 1925. NAA—Naval Radio Station, Radio (131.5 Meters) Weather Bu Veath WR(—Radio Corporat (468.5 Me with the United | iroadeast from Program Tomorrow- Women's with WJZ o WCAP — Ches, Telephone nd Potomac Meters). pealke Co. Vir Harr Virginia Flood ert by Peabody Stiebler b.m.—Char nder. ikeman Metropolitan the | ave- | {10 NICARAGUA URGES PEACE AS MARINES WITHDRAW | " i : American Of- Place of “Devil There. nstabulary Under to Take fcers gs” Stationed o aration 1ent 100 thing | ounced | A es will is | Four Others Escape Injury in Rail- wrs that after irines, a revo. ted, I tive urb: esident | measures nces. Al ormed to take It will be|m New Y vill be the the prograr he ynjunc Friday Local Composers’ Work on Air hestra thr KPO to Use Superpower : ¥ will be the 1 oin the ranks of plant Perm! | "nYl‘(.P.d by erce insteac the Comm Prisoner Is Released Siddons £1.000 Monday r d pending a hearing rubaker, who was | ce complaint | f Wilkes-Barre, Pa said to be wanted in that growing out of trans- th the Chicago Portrait Co. B ind Emerson sued out | habeas corpus for Brubaker & i Dont let babs by skin trouble! Apply Resinol Ointment and see how quickly the itchingand burnin% stops Resinol vhey it col THE EVENING LONG RANGE RADIO ENTERTAINMENT WEDNESDAY, JULY Programs of Distant Statiors Scheduled 29, 1925 for Easiern Standard Time 4705 Market reparts: news bulleting Base ball scores: sports 5 TO 6 PO ted States Marine d. WRC anc s and music: Shepard Colonial Orch sh leason reports Theater Geebes isadians Hotel Waldor{-Astoria ¢ Weather: Benjamin lullaby time: Junior ne Scout camp fire ittle Symphony Orchestia 3 time for. children p | Ernie Golden's Hotel MeAlpin Orchestia g Base ball scores: Bellevue Stratford Hotel pro A Statione. Wz WLIT New York Wiz Boston: St New York Scheneet stra children’s pro organ recital Orchestra Orchest Dance estri Franklin R New New York Philadelphia Chicago ewark ago: Sk Y orlk felphia am Orchéstra D. program Phil WFI 6TO 7 Stock exchange quotations Drake Ensembl Uncle Wi PM. ma dinner con and Blackstone < Quintet bedtimo story and roll call tzogue of America fees States Army Band, WCAP, 5 00—Chicago cert by Philadelphia New York: ' Cnited Sy cert by the United WJAR “and York WG WiP W00 WEAF | selections; WHN WAV WwJ WHC Wiz New vocal New York Detre Dinner concert Chic: Juvenile period: news: police Springfield: Hotel Kimball Trio Chicago ner concort from Congress Hotel by e Babary's id Paul Whit Collegians Chicago: Organ recital: Chapman's OF Cleveland: _Dinner dance miuci Newark: Sport talk: Vincent (_—New York: Sports: Mor 3:30—Philadelphia: Police. reports Richmond Hill, N. Y.: Planist New York: Oleott Vail Trio il m " daddy Boston il with the Schenectady “Book of New York Bernard. pianist 770 8 PV Wood 1 program Ciub, solos Market Richman Entertainérs:” zither eports: Vocal solos: news Bulictins Ky W WAAQ WTAN OrcNesira WO commerce of the day WRN States Army Band With ‘Boys and girlé Va Knowledge' program 00—New York 204 Boston chestr Philadelphia chestra New WMCA Or WNAC idia’ Concert Or - tertainers Vo mental Paramount and_entertainers Sports talk 390 travel falic; Al Nicholas New' York: Orla stein Sisters. inst) Newark: Topics of Day Vocal and instrumental Dinner cor y Con pianist cul solos: Hars WHN WBGN KYW WNYC WHN waer KDKA WLW WO of 1 Scores: news bulleti | not | trod. Cleveland: Hotel Cleveland Con. Minneapoits: Scores: market Organ. « ¢ sas City: Music Moines: Instrumental WEAR WOCO WHT WDAK WHO Strit ) | 5 To 9 PM 1 Yorlt Springfield: | Capitol Chicago Musical prow New Solos: talk New York: Talis: Berngtein S ety noise contest Richmjond Hill York: Ed adelbhia Yor New York Chlagn, Cleveland Cincinnat St Louis: Siverman's O Montreal: Studio coneert Havana: Band of i Los Anzelcs Louisvilie Pitts reh of mu Chicago: Vocal and inst San Franciseo cal s ta Vocal and Ipana 1 . Chapman’s Orchest Organ recit Book WMAQ WTAM VKRC KSD CHY PWX KFI Keith Kannard VHAS News 1tems market KDKA el WGN Children's hour: s 9 TO 10 P.M. iotorial period nd Hill House Orc KPO Los Angeles: Talk Cincinrfati: McKay WMAQ Play .00 KF1 WER( VMAQ WEAF WMCA WLIT WAl hmond Hil ark: Tali Chicago: Varied feld Civil Service talk issing e Roseland Da al prog tists 10 TO 11 P} Rudy s Ore Music u Los Angeles New New York Los An Hawaia ago: Johl innati’ Golt talk Chicago: Midmight Davenport: Vocal an Des Moines Cineinnati WHO WTAM WL 11 POL TO 12 MIDNIGHT. ~Portland. Walk Dinie o Brothe San F Los Ange 15 —Cincinnat 30—Chicago® Vocal solcs 12 MIDNIGHT TO 1 A, 00—Chicago s Los Ang Los Angeles Minneapolis MERICAN HURT IN PARIS.| PERSHING AT CEREMONY. iNcophny Initiated Into Mys- way Collision. teries of Neptune's Court. ROCTH! Ger the comimtssior PARIS, J A% ABOARD T. S. CRUISER ans were aboard Basle exj ESPER, July 28 (®) (W c side the Gare de I'E: 192 e were killed el ie injured | an Norristown American I he recei o leave the Paris | ). — reless). hing, e biscita was Ne spectator at “King . Nicholson of taken the Neuilly. whe last ni of R. B. St ~ger Norristown Times-Herald rassburger, Miss Marjorie rne of Philadelphia, Miss Woolley Chestnut_Hill Academy, Philade tune’s” traditional ceremonies as off the The Pershing Chile, where ommission is 1ator tment, ble west coast America. stitution hester is conveying Gen party Arica meeting of the August aboard equator is to scheduled fy All who had n before were persons and Peter Strassburger were on the wrec in, but es marked with t tiated into the court CENTRAL AUTO WORKS WILLIAM BEUCHEF Franklin 6805 and other mysteries of | T, Proprictor 449-451 Eye St. N.W. ¥ LETTERING PAINTING { Automobiles Overhauled and Rebuilt PONT 1§ Dents Removed From Bodies and Fenders Chassis Straightening and Welding Blacksmith and Spring Work Sedan Doors and Woodwork Upholstering and Trimmihg Our manager, Mr. Morris, will be glad to serve you —give estimates, information or suggestions on any of the above. Our Service Once Tried—Always Used STAR FIFTEEN MINUTES OF RADIO EACH DAY BY JOSEPH CALCATERRA, Noted Authority on Radio. All Rights Reserved. Reproduction Prohibited WASHINGTON, D. €, WEDNESDAY. THE A B C OF “A,” “B” AND “C” BATTERIES—Part 1. Utless you are using ascrystal set, you are using one or more of the types of batteries known as “A.” “B"” or “C" batteries. The ordinary crysial set is the only one that does -equire the use of a battery, al- there are some types of crys als that require the use of a ttery for proper operation. The galena type of crystal set now most commoniy used does not require a battery to operate it El minating the special types of s'al sets which require a battery to onerate it, the only receivers that require battery current for efficient operation are those which use some type of vacuum tube. The earliest type of vacuum tube used as a detector in radio recep- | tion was the old Fleming valve. This was a_two-electrode valve having a N from the filament battery caused certain definite evaporation of el trons from the filament and a steady flow of current from battery “B” in the phone circuit. ‘When the high frequency signal is received in the antenna circuit and in turn transferred to the phone cir- cuit by the close proximity of cofls L1 and L2, the current in the phone | circuft alternately increases and de- creases. Through the one-way ac- tion of the valve the average cur- rent through the phones is increased by the signal. The fundamental action is pro- duced by the heating of the filament. The detecting action is produced by the combination of signal current and the current from battery “B.” To distingulsh these two batteries used in the circuit from one another the filament battery which serves to heat the filament was arbitrarily called the “A” battery, while the bat- tery used in the phone circuit to furnish the normal phone current was called the “B” battery. The I"leming or two-electrode valve was not a sensitive detector. Many £ood crystals are superior to it in that respect. Its greatest contribu- tion to the radio art lies not in its own inherent value but in the fact that it acted as the “daddy” of the real wonder worker in radio, namely the “three-electrode” vacuum tube with which we are now so familiar. In remembering the designation of the batteries used both in the Flem- ing valve and in the more modern three-electrode vacuum tube, keep in mind that the “A” battery is the one which is used to heat the filament while the “B" battery is the one which is used to provide the normal current in the phone or plate circuit The Fleming valve was simply a detector. The three-electrode vacuum tube can be used not only as a de- tector but as a radio frequency am- plifier, an audio frequency amplifier and as an oscillator or generator of electrical wav though = filament which was heated by cur- rent from a battery and a plate elec- which formed the other ele- ment of the valve and permitted its oper:.tion as a one-way conductor of electrical current. In this type of circuit the filament was heated by the filament battery “A This heating of the filament prodiced evaporation of the electrons from the filament and formed the conducting medium between the fila- ment and the plate. Wlen no signal current was flow- The use of the various types of n the circuit the constant tem-|batteries in three-electrode eircuits riure produced by the currens|will be described tomorrow. AND WHEN BETTER AUTOMOBILES ARE BUILT, JULY 29, 1925. RADIO’S BEST OFFERINGS TONIGHT. Concert by the United States Army Band, WCAP, 6:30 to 8 o'cloc York Edison Hour,” , 7:30 to 8:30 “New WJZz o'cloc Concert by graduate students of the Peabody Conservatory, Baltimore, WCAP, 8:25 to 9:30 o’clock. WMAQ plavers, WMAQ, Chicago, 9 o'cloc Musical program_ by Man- hattan Serenaders, WOR, WEAF Quartet Sets Program. The reorganized WEAF light opera quartet has arranged program of excerpts from successful operettas of the past century for broadcasting Saturday evening at 6 o'clock. The personnel of the re vamped quartet is Marie Opfinger, soprano; Joy Sweet, contralto; Ches: ter Moffatt, baritone, and James Haupt, tenor. Inskant Relief /Zam ASTHMA HIRTY minates is all it takes to relieve severe spasms with the wonderful Rinex Pre- scription. And within 24 hours every symptom will disappear. That’s the Rinex guaragtee. That distressing wheezing will stop. You'll no longer have to gasp for bresth. Your drusist will tladly rafund the eo price of 31 4f 20 effective for H rrh. Goaranteed to n24 boars. Y ou: 1€ 303 prefar, send Ze for & trial treatment, g e Adreas Clinton another short | Vanities Band to Play. Concerts by the Ross Gorman Vani ties Band_in the Earl Carroll Theater in New York every Saturday night | will be broadcast by WOR | During intermission Julius tand Ted Hezly rent *Vanitles radio audience. Nwill entertal “Red Tape” In Settling HE settlement of certain estates Your E tate re- quires separate federal and state tax returns covering real estate, insurance, stocks and bonds, notes, cash, jointly- owned or miscellaneous property, transfers, debts, etc. This is one of the important duties your executor may have to perform. Our Trust Department will manage it to the best ad- vantage of your beneficiaries, because the settlement of estates is its daily business A Trust Officer of this Bank will gladly explain this service whenever you should come in. Make it today! The Washington Loan & Trust Co. Downtown Bank 900 F Street Resources ocer $16.000,000.00 West End Branch 618 17th Street JOHN B. LARNER, Preside: Newar) ‘lanner comediars of the cu the BUICK WILL BUILD THEM