Evening Star Newspaper, January 23, 1925, Page 37

Musselman Selective Antenna Wire 75 ft. $5.00 Most se m 48-pagn Catalog Free on Request See ,uur aewer for “the mer chandise. For catalnmatiragy Dept. L139 HERBERT H. FROST (no.. 154 W Proof they're Best! Cxosen—after st Tast tests—Dy the majority of Juality setbuilders. Not surprising, how- over, when youremember they're made and wneonditionally guaranteed by the world's oldest and largest exclusive transformer manufacturer. Followthe leadof the leaders —bulld crreplace with Thordarsons. Recom- mended by best dealers. Audio frequency: 2-1.%5; 54-1.84: 6-1, $4.50. Power Amplitying, Dpair, $13. Interstage Power Amplifring Transformer, $8. Write for latest bulletins, THORDARSON ELECTRIC MFS. GO, (T T e T TG e T T LT AT Stromberg-Carlson NEUTRODYNE RECEIVER Either Cabinet or Console types. are sensitive, selective, simple. sonorous and ‘most cconomical. Head Plug and “C" Battery included. Console priced at $310.00—Pay Do more Cabinet priced at $180.00—Pay no more See your Dealer or— John J. Odenwald 1209 H N.W. some Radios are seen| but never Heard— Is your set in this class? Bring your Radio troubles to us and let our engineer put that set in proper work= ing order. Expert advice without any charge. And we will test your set withe out any service charge, re« gardless where you bought the set. George W. Riley, Radio Engineer His Services at Your Disposal for the Asking Open Evenings Until 9 0'Clock Continental Electric Supply Co. RADIO SERVICE 808 9th Street N.W. Phone Main 8326 Waskinmean. D. C. REMEMBER —how you walked all over town looking for the Famous 1,000-mile Steinite Crystal? Here’s Good News For You Go to your nearest Deal- er and ask him to show you the best Crystal on earth, \ll/'f/Steinite 3 Price T 1 = [} ge T R e T T his crystal is guaranteed by the manufacturers of Steinite to give vou longer distance, greater volume and more sclectivity than any other crystal on the market today. We just received a ship- ment of 1,000 of these crysta Continental Electric Supply Co. 808 9th St. N.W. It location more comvenient, call at Branch Div District Radio Co. 1112 N. Y. Ave. House of higher standards and lower prices for tone clear, pure tone of Musette is THE EVENING STAR, WASHINGTON, D. FIFTEEN MINUTES OF RADIO EACH DAY BY JOSEPH CALCATERRA Noted Authority on Radio. 4l Rights Reserved. Reproduction Prohibited. The of Radio Plate Part IV. Fundamentals Cireut While there are many technicalities surrounding the proper design of ra- dio &nd audio frequency amplifying transformers and many things to be taken care of fn getting « radio or audio amplifying circuit to work properly, the actual design of the amplifier and detector plate circuits is a very simple matter. As Shown in yesterday’s article, plate circuit of any detector plifier circuit consists merely nnection from the plate to the am- of a the nection from the B battery to the A battery This, of course, can be in such cases where the B battery the same. In many cases it is necessary to use perhaps 45 volts for the radio frequency amplifier stage, 22% volts }fur the detector stake and 90 | done only amount of voltage in each circult is volts for the audio frequency ampli- stages. In such cases a block B batterics connected in series get the highest voltage required used and the connections from fler of to L W [ | v phones or primary winding of a radso or audio frequency amplifying trans- former through the winding to the positive terminal of a B battery, and then through the battery to the A battery filament It is possible, o fcourse, to duplicate such fillament, grid and plate circuits In the various stages of a multitube clrcuit, but the expense of separate A and'B batteries would be prohibi- tive. Luckily it is just as easy to use a single B battery block to furnish the B battery or plate circuit ener for the plate circuits of all the tub as it is to use a single A battery to gupply the fllament current for all the filaments of a circuit. The in which this is done shown the dlagra below which th plate circul! ing four tubes is shown ral arrangement can r sets of more tub B Battery In Plate Circuit. In this arrangement you will no- tice that the B battery is common to all plate circuits end of each plato connected with the pos of the B battery and the retu the negative B battery to the tery is made through a in in of a set us- The same be fo he of circuit = =] @ @ 9 = > = [z o m 2 o > 2 =] = Zion City Station to Have Four- Hour Program on February 2. Z10 —A special four-hour mark__the dedicat WCBD's station uary, will 3 will e m., standard time roadcast continuously until 1 am The program includes selections by tho Zion band, the Zion Choir, made quartet, the McElroy Saxophone Quintet, the Zion Orchestra and a number of vocal eolos and duc Call Ambulances by Radio. Officials of the White Star line were mystified recently by a radio mes- sage from th rabic requesting that a string of ambulances meet the ves- el on her arrival at the pler. The request was carried out, und when the liner docked 18 of the passengers were taken to hospitals. Over 75 of the nu er on board had been more or less severely injured when the =hip encountered a terrific hurricane . b KGO Now Has Branch. Station KGO, in Oakland, Cal recentl; installed a broadcasting studio across the bay in cisco. The microphone impulses, pick- ed up in the San Francisco studio, are transmitted nearly ten miles in a cable laid under the water of San Franclsco Bay before they reach the broadcasting station itself. AWEE WILL DO Easy Payment RADIO Headquarter< ve terminal | from | and | the | é q%‘: 1__... the transformer primaries are con- |nected with the required positive B battery voltage In such cases the negative termi- nal of the B battery is connected as | before with the A battery lead. The B battery side of the transformer | windings for the radio frequency am- plifier stages are then connected with the 45-volt positive terminal of battery; the return from the detector stage i connected with the 223:-volt tap of the B battery and the return from the audio amplifier stages is connected with the highest B battery voitage. Where rad | amplitying tra couple together of multitude ¢ winding of the trai nected in the plate circuit of the tube, R the secondary winding of the t connected into the grid circuit of the succeeding tube In most cuses the plate winding of tuned radio frequency amplifier stages is untuned and tuning of the circult is done by a variable second- across secondary winding In cases, however, the ry winding also is tuned to the eMclency of the circuit or audio frequency formers are used the various stages cuit, the primary sformers is con- the other pri- m in- | creas RADIO QUERIES inued from Page Thirty-six.) the | HELP MALE NEVER mail ORIGINAL recommendations _on_applying for_employment. Use COPIES. BANK TELLER; +ts ence. s and age. Address Box 370-R, Star office. | BILL WRITER — Youns man; wust write plain, fast hand; give age, ref. and sal. ex- Pected. Address Box 403-1t. Star office BOND BALESMAN-—Opportuaits for & real rto make splendid connection with tnv Louse. Address Box BOOKKEEPER-STENOGRAPHER, T rafl- ud work & per day: ouly hard Workers need app and_eabinet” work OYS—§1 & minate wil meliest bors in Washington 16 years old 3 Feet Migh. we 5 90 po Fossibility - o $n career. " Apply 1h prson o Jue Cook, Earl Car roll's ‘Vanities, stage door, National Theater, Monday, at 11 u.m. - CHAUFFECRS, oo with identitication Adnms 2455 (CHAUFFEURS, wi fhave gentifeation curd 1130 17th st CARPENTER'S afraid of any COATMAKER. Apply 700 9th at. o.w., Tour Must be more men work " several reliable rds for tuxl YT Apply Mr HELPER, white: one not kind of work. 4110 Garrison portunity for live wir FOREMAN to take entire charge of the struction ungalows and bouses in by man livin Anac . G. Deot, 1400 L st. u.w 3 T bauking house offers tional openizg to a big earning large income. Address Box 431-I%, o0 by owner of {wenty-nvi- room suburban lLouse; state rate per thou sand for immediate start. Address Box 484, Na T makes possibie % addl al_men to our force selling VACUETTE ON-ELECTRIC VACUUM CLEANERS. Ap 220 Bona Eldg ST, w hospital’ ste ORGANIST nent . surgical work Ap tera’ Home k00 pay. and address office DRAFTSMAN £y basie theater: e PATENT OFFIC denitar: Adirese 1h')t:\“.l(wl'b,lk.\lll}( o EIVING s SALERMAN correspo L by bank stute age FALESMEN et SATESMEN —Wo Neway organization. The great ountry. See Mr. Marks. I cstate luvest | in the Wickershan and Eye sts SOLICITOR Tepairing: 5 sman. A wonderful 't good stu E. Roy Le diog. s 254 Couw my letter of January , and, I took the precautson to say in that letter (which You published) “This code « not attributed to ama- they are not operating on wave lengths.” the specific | therefore, teurs for suck gave nces of wave length. letter of Janu- ary 8 with the sole purpos n mind 'ul contributing somethi of value | perhape Mr. Briggs (SCAB) evidently ob- d those spe. c ins ces, for {in ¢ Star of January 16 you pub- lished his letter, which we into detadl as to stations sending code and their wave length, showing that the stations were NAA and NSS So far as I am concerned, the mat- | ter was ended with the information | contained in Mr. Briggs' letter, for {no practical method readily suggested |itselt for subduing the w eS8 towe a Arlington and Annapolis T don't how this bickering back and h between amateurs and nonama- rs is going to get us anywhere toward the elimination of code inter- feren especially from those sta- | tions; which, it would sec that the amateurs have b 1 unjustly involved. No, I can ins | sei not share with Mr. Gas- sin of the criti m he has ceived, for the reason that I care- | fully eliminated the amateurs in my | 1etter of January S, and also for the |reason that I have not seen one | word of criticism of m: 1f from amateurs, and fail to see how they could have criticized me. | " Mr. Perine’s letter, published in The Star of January 19, should have | the careful consideration it deserves. It is, indeed, gratifying to know that, | as he states, the Washington Radio | Club has formed a committee to in- | vestigate so-called complaints and to do all in its power to assist the broadcast-listener.—J. G. MASSEY. | Radio | ar Editor: 3 20th St NW. INSURANCI SALESMEN. Profitable general ag tract now open to man of char- acter and proven ability. Apply 206 Commercial Natl. Bank Bu between § and 10 a.m. and 4 ALESMEN to sell F on a 50-50 basis; must own' a Ford. Robey Motor Co., 1429 L st. n.w. Gt SALESMEN to sell Ford cars on a 50-30 basis; must own a Ford. Robey Motor Co., 1429| L st. n A REAL ESTATE SALESMANj experience in real estate busi- ness not essential, but must be a hustler. Caywood Bros. & Garrett, Inc., Realtors, 915 N. Y. ve. n.w WANTED—Several high-grade washing machine salesmen. Here's an excellent chance for| several good men to make| money. See Mr. Cole, Potomac Electric Appliance Company 14th and C sts. n.w. BUILDER'S HARDWARE MAN, COMPETENT TO FIG- URE FROM PLANS AND SPECIFICATIONS AND SO- LICIT WORK. TREPLIES ncy con- C., FRIDAY, JANUARY 23, 1925. BUSINESS INSTRUCTION. BOYD BHORTHAND I8 THE AIMPLEST | FTENOGIAPHERTYPISTS ~ WANTED Deing Tormed. Birayer College, 721 13th street. Main 3430 NOW 18 A GOOD TIME TO oy " BEGIN A 11 East One seven apitol street, year's tuition payable monthly payments. yeur, e ,_in monthly mens Linc. 38 Civil Service Examinations. Stenographer-typist _examinations. Feb Mar. 10, days and 5 ench wk bott mer ator, Fb ste $119, One pay Phoue Fr : HELP—MALE AND FEMALE. INSURANCE salesmen carn of an drexs Box MAN AND WIFE, colored. (o afiend furnace MAN AN WIFE, for | v 1324 Monrow W MARKERS AND « ASSORTEKS, experienced Apply 491 C nw AGENTS, men and women. {0 bandls prepara- | and ropa lifetime st WANTED—SAL rar ] SMEN to sell Fuel O Bu K aid BOOKKEEPTNG machins om HELP FEMALE 1901 B DRAPE 495 LADY £140 and IDS AND PARLOR MAIDS. The La esired. EXPERIENC LOCAL AND L DISTANCE TELE OPERATO WANTED ‘DURING NATGURATION PERIOD REGISTE ROOM 1 n ST. N.W. & POTOMAC o PLEASE REGULAR AND FREQUENT INCREASES THEREAFTER | SITUATIONS—MALE HELP AND SITUATIONS. 37 SITUATIONS MALE [ (Continued) EXECUTIVE Sineas L drexs B ot JUNIOK G RAPHER M YOUNG MAN i » iar YOUNG MAN MANAG FOR WA VICINITY ; | PRODUCH HANDLE PROPOSITI( BOX 427-R, S EMALE MAN AND WIFF 2 place: best refere paire. W o WOMAN WOMAN, ~ SITUATIONS DOMESTIC COLORED 8 : - HOUSEW TRE LAUNDR 1831 35t DIAMONT -~ |RECOMM WANTED MISCELLANEOUS (Continued) . for cas) wmond broker. 918 S Nnin 6438 Ada ; want > 421 10tk best_prices 501 Eje st Co.. an_ 87oom bou & whole or in parts. s ERVICE. cerne guaran- ary com made o Tha ENDED § o different from that of many loud speakers that the first time you hear it you will be delighted beyond measure. Hear Musette at your dealer’s today. Mon | while set, I 2y night about 11:30 o'clock, listening in on my one-tube picked up a station which ounded like WMBF. Could you in- orm me whether there is such a TELEPHO! HOUSEW( CONSIDERED ABSOLUTE- LY CONFIDENTIAL. - AD- DRESS BOX 367-R, STAR HOUSEWO! LiGHT o THE IDEAL QCCUPATION FOR YOUNG WOMEN APPLY FIRST FLOOR CROSLEY HERBERT H. FROST, INC. 154 West Lake Street, Chicago, Ill. NewYork Clevelsod Kanses ity Los Angales Tungar Charger Complete With Tested Bulb, In New Sealed Carton Manufactured by eneral Electric Co. Brandes Superior Phones $6.00 Reg. .. $3'_1—_9 Eveready B Batteries 22%-volt, large, $1.27 45%-volt, large, $2.39 STAR % RADIO (60) 403 11th St. NN\W. Radio Exclusively “Small Profits—Quick Turnover” The World’s Best 2-TUBE RECEIVER Operates Loud Speaker on Local Stations Complete to Operate with all ma- terial neces Nothing More to Buy WE SERVICE EVERY sary to opeor- ate. SET WE SELL Complete assortment of parts, phones, batteries and supplies of standsrd makes stock CYCLE SALES CO. Radio Division 522 10th St. N.W. Open Saturday Evemings \\T/ S station and whero it is located? It sting_dance music from some hotel.—B, V. LIPPOLD. WMBF is in Miami, Fla. It broad- | casts from the Fleetwood Hotel. | Radio Editor: Please inform me as to what sta- | tion in Montreal, Canada, was broad- | casting Saturday night and signed oft |at 11:35 o'clock. The first letter I | understood was C, but could not catch | the others. Publish the answer in our column, which I read every eve- ning and enjoy, glving call letters, meters and miles. I also wouid like to know if there s a station_in Miaml, Fla, with the call letters WMBS, which was broad- |casting the same cvening’—WILLIAM W. HARDY. | CKAC, Montreal, was the station you heard. Its wave band is 425 meters and its air-line distance from Washington 489 miles. WMBF is the |station in Miami, Fla. Insulated Wire Good for Radio. An_insulated wire will pick up broadcast programs just as eaelly as bare wire, a5 the waves penetrate the covering without the least difficulty. If the lead-in is insulated, it will act as a part of the aerial. e Selection of Radio Jacks. Select radio jacks for the quality. It is especially advisable to see that they are insulated with something better than paper or cheap fiber. RADIO é At Last! Radio Fans Your crystal tickling troubles and other annoyances from inferior crystals will be corrected and permanently eliminated at a very small cost with a— SCIENTIFIC FIXED CRYSTAL Your Money Back If It Is No Better Sold by All Radio Dealers Scientific Research Laboratory Baltimore, Md. . OEFIEE. . * 24 INSTRUCTION COURSES. ATTO DRIVING LESSONS FOR OPERATOR'S permit: apy car faraished. Call “FOSTER.” AUTO DRIVIN given. Call Linc. 62 LESSONS PRIVATELY We do_the rest SI. N.W. HELP DOMESTIC _ CHAMBERMAIDS, white, with hotel e3 ence. Apply Publ en ennsylvania_ave. Whit Tiotel_experi- Service, 1410 FASHION DRAWI sdies’ tafloring. Day ‘booklet. LIVINGSTONE Rhode Isiand ave. o.w COSTUME DESIGN millinery, dressmaking, and evening. Ask f ACADEMY. 1317 YOU ARE NEEDED in the| drafting profession. Big money for those tra'ned under our individual instrus tion plan. Start now be an expert in 8 to © months. Interesting booklet on. request telling of opportunities open to you. Call, wWrite o phane. Columbla Schoo! of Drafting, | 14th and T Phone North 272. EMPLOYMENT AGENCIES. OF STENOG., TYPISTS, bookkeepers, clerical help. Main cITy BMPLOYMENT SERVICE, 1338 G &t. Free reglstration. CHAMBERMAID-WAITRESS, white, $65: col- ored cook, $35; help needed today. 1331 You st. CHAMBERMAIDS, 5, white, $60; janitor, col- ored; cold meat man, white, $95; car washers, colored; 4 women, colored, general housework and cleaning. Mutual Eschange. COOK. city refs.; also man for part N. 0011 COOKS, housemen, butlers, laundresses feurs, ' chambermaids, nurses, cl recomimended. Fuller's Exchaiige, st West 2080. SR 2 YOU ARE A WHITE PROTESTA seeking employment of the better kind call at oncs, Room 621 Bond Building. 14th and X Y. sve. Moy positions daily. ca_Employmsnt Bureau. FOR FIRST.CLASS HELP of all ¥inds, cal 3 satisfaction guaranteed. Wyai n.w. MAIDS, 10, white, for first-class hotel. Apply Murdex’ Employmet Bureau, 1320 You st. 5w, bet. 6 and 8 p.m. . WANTED—25 white clambermaids_at on leasant surroundings, 0od pay. Protestsnt Knights of Americ: 24 WE'LL KEEP Y0U SCPPLIED regularly trustworthy help without charge. 31 Exchange. Main 0431 Strayer Employment Service. Operated by Strayer College for its students and gradustes. Good business positions pro- cured for ail that are qualified. NO FEES. 1 Thirteenth St. Main 3430. BUSINESS POSITIONS—Free ceistration. Washington Employment Exchange; operated for the public by the Washington School for Secretaries. NO CHARGE UNLESS YOU ARE PLACED. Room 218. Transportation Bldg.. 17th and H. For Efficient Male Employes CONSTLT OB CALL Y. M C A me o' et s, chaut- rsons are being placed in Totestaut. Kaights of Amer- with utual | { 10er D COMPANION. reforences ex Apt. 21 COOK_a Call_Cleve CodK, ral - housework; : wene To_must $i2 T mont 24% Highlands; 248 petent: mi d have go 1446, Mrs. be a good < references P e i GENERAL HOUSEWORK N n: references. 14 s NERAL HOUSEWORKEE—Home nights ty reforsnces required. 5208 41 GENERAL HOUSEWORK—& in family; live in house: firat-class reference wanted: wages, Apply mornings befora 10 or evenings 1 Kalorama rd. 24% $40. usework. GIRL, colore r geners Bryant n.w. North 7094-W. HOUSEKEPPER—A good 5d_home for a reliable white woman who can manage home for three adults, all break- fasts and dinpers only; bring references for interview. HOUSEKEEPER—An opportunity for a Jew. sekeeper to have & good Home in’ sm Zood salary. Address Box 81-R, Star EPER wented by an employed young woman, entirely alone: a strictly houest white Woman to take charge of small home: o ob- jection (0 & child. Address Box 424-R, Star WOMAN for_general housework; nights. Apt. 213 ghton. SITUATIONS MALE ABLE WRITER—Young man_experienced in newspaper and magazine work: highly capable Rlong reporting_and editorial lines, desires Connection, preferably with newspaper or hews bureau. Reasonable offers cousidered. Address Box 452-R. Star office. B4 ACCOUNTANT-BOOKKEEPER, (7piet: cor ration experience: available immediately. dress Box 440-R. Btar office. 250" ACCOUNTING and auditing: expert on in- come tax returns; reasonable rates. C. De Lauter. Franklin 7124. 1319 N at. g BUTLER, cook, experienced in private fam- Jouris ‘colored man, with city referer BUTLER OR COOK, houseman: wants position. 1527 c FINISHER, experienced, Job. CHAT or truck driver, U man; ref. Call ‘at 3 ¥_an_experienced 1015 New Hampshire s h wants 10 “experienced, 1 good ref. Colored, Pprivate fan West_ 2285 EUR, colored, 14 years' experience 1438 Ouk stréet n.w. CHAUFFEUR, experienced. private o stote drviag: 00 N. J. 8. - ats. position d st wants positio: . Call un?’xarw_s 3 1 Howard 800, 33 &0 bome | GIRL ‘:K‘Hfml i WATTRESS, erences. A WOMAN Oper o SLIP COVERS, OVERSTUF ushions. suap fasteners L. ISHERWOOD. 1 S ATTERN T ME. LIVINGSTON ‘ave. P MERLY ow located ut alids o Circle. Phone - Nort TBY A TMENTS - Phone weight reduced. fering women & | Ledendecker. D. C.. REST HOME FOk 201818 ACTAL HAIR PERMANENTLY Tacial treatments. 30c, s Ip treatments, 500 sbamy 3 c.” MARIE STEVEN, 300 Krisge Eldg., Ith and G sts. Open sondas, Weduesdes, Friday evenngs. ELECTRIC BATH, MA matiem, neuritis, Tombago. e (chlored). P TAL DETECTIVE SERVICE, R information about any person on any subject; established 30 Years aimost everywhere: phone Fra appointment at any hour to ience. BRADFORD, INC., Sui ation Bullding. 17th and H sis GAN BRADFORD, Jr., Consult liable "WANTED MISCELLANEOUS ANTIQUES, bric-a-brac, planos, & usehold Harris, 210 = 4° otgune tools have to sell. G klin $33 or postal ¢ es f Nort) CAMERAS, every kind E ot Tth_st. p.w. Phone i Best cash 4145, Justus clothing. cals. Main old Nta "goid. siiver. Vought for eash. Lou 15 G st. nw. CLOTHING—WIII call 1 my uleticr mabile, city or suburbs, and pay you highest prices 'for ladies’, gentlemen's, children’s dis- carded eloching & all daserigeions.. Address or phoge. call, Wo Rice, 1333 LAy LPS SUF- | | work NOMY ELECTR PAPERIHANG this NG PAINTING—H. 388, RHANGING. 7 20d s.e AND . AND PAINTIN ent tervice at lowest rates, phone RISHOP BROS. PAINTIN :Work guaranteed North 40! TLY —R PAPERHAN ROMT AN A ERHANGING som. t & v Adsms AND) | P- FIRST.CLASS rk one now snd avoid the A\dams 5620 Ja2se AISTING—ROOMS T. GEORGE, PERHAN Have rash. AL PUMPS. PAPERHANGING NG, | _PAIN ing: satisfactory work guaranteed. WM , 81! LITTLE, 819 6th et n.w. Phone Fr, uu!." (Coantinued on Next Paged