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| liminary negotiations have passed ‘ finance department, have been re- = B - 5 UOONITERS | semae e Star's popular begtaning Mon- Thewe articies, stripped | of the technical terms which ‘bafie and often discourage the n expert on ra Many Seek Prizes for Handi- | | fechnolosy. TR, ™2k Taate fans. work in Construction of Entire Set. BY RADIO TODAY NEW YORK, May 13—Progress y adi ast - e redle "“:'":“‘:h: NAA—Naval Radio Station, Radlo, Va. 1 ihtialy aflsoai |, 1 a.mi—Mebeorological report itsalSates Ly S 4 on meters of arc transmitter, ‘eS| 8 Il o th ize e e e Canage. | , 12 noon and 10 pm.—Time signal. offers: 1o, Rmateurs Y- BRO £ | $,llowed by weather report and ship ment of the radio show to be held in | 2% the Seventy-first Resziment Armory {Oraers. here the week of May Managing | 10 pm—Naval press news Director T ¢ Busiiignant has sl | wave lenath, 1,530 meters. . aside 500 in gold for pr ch s . 5 v S R w NOF—Naval Air Station, Anacostla, will be won by the cleverest amateurs T Ale Jintion, Any for their handiwork in the construc- tion of complete Sets. $:30—Harp concert by Edyth Mar- Headquarters of the show, in the | mion Brosius, concert harpist of this Hotel Alpine, have received during | city. the past week scores of applications |ywwy b for Sntiance blanks Tor the compati- | WIS X—Pext Ofice. Departuinnt 1,100 tion, and they have come fron as far 3 - & the wide in-| 10 a.m—Weather report. west as Detroit, show " a.m.—Marketgram by radio- terest which the show. the larges: ex- hibition of its kind ever held. has en- listed among the amaieurs. pm.. 330 pm. 6 Applieation Tim stended. SIGEAIROR. i Time for applying for blanks WML— boubleday-Hill Electric Com- ny (360 Meters). been extended until Thursda by Director Buchiznani, and posteard request he Show manas 430 und 5:30 p.m.—Base ball scores ment hcre will bring the blanks to{aud the tollowing program: the contestants, with full conditions| -3 Sole Mio.," tenor (De Capua); of the competition. which is open o “Onc fox trot (Wood-Burt all amateurs | nett-Arnheim); “Polka Boheme in G The committee of technical experts. [ piano (Rubinstein); “Hawaiian Twi- headed by Dr. Miller Reese Hutchison. | light” (Sherwood). rwegian Echo who will serve a 1dges, ve | Sung.” soprano (Bjerregarrd-Thrane): adopted a point - Papillon.” piano _(Lavallee); ing, fn which efficient operation. ap- | “Cherie.” fox trot (Bibo-Davis-Ager- Santley): +“Passpled.” piano (De Bu la - Traviata,” baritone up” diagrams will be the factors (Verdi); “Tristan and Isolde,” piano addition to Dr. Hutchinson. the (Wagner): “Canadian Capers,” fox tist who was chief engineer for Thomas | trot (Chandler-White-Cohen): * A. Edison, these experts will serve on | olylu Bay,” waltz_(Ferrera); “Im- the judges' mmittee: J. Andrew | provisatio on Hungarian Folk White, editor Wireless Age: H. Gerns- | Tunes,” piano (Vecsei): “Moonlight,” bach, editor Radio Kendall | fox trot (Conrad); “Nocturne,” piano Banning, editor Popular Radio. and | (Field). Roy Mason, editor Radio Broadcast. - . Y Tacse aren has been reserved on | WIZoNewark, N 4. OO Ay, the big floor of the armory for tbe ater® ac e, display of the amateurs handiwork.! e and also an exchange booth “horel hvlers' l;o:;:" 11 am. to 6 p.m.—Mu- y > siasts can | sical pro 3 the young radio enthusiasts can AT, 78 b, and 1001 their spare paris to thewr mu- | 11 am., Weather forecast. —Shipping new Uncle Wiggily’ Bedtime pearance, simplicity nection, econo: cost und “swap tual advantage. Radio Cadets to Exhibit. Among the most ex ve exhib-{gtories,” by Howard R. Garis. ftors in this competition will be the |~ 7:30 p.m—"Airships,” by F. J. Boy fAfty boys of the Sorelle Radio Cadet 3 bm —“Fashion Talks," by Hen- Battalion. whose headquarters are at |\ Blackman Sell, the editor of Har- 765 Home avenue, the Bronx. They |per's Bazaar. p will display. in addition to complete | S b m-—Concert by the Charles Me- radio receiving sets, blinker Iights.{cord Orchestra. an Ardois board and other apparatus | g:30 pm.Miss Fanette Rezia, lyric built by themselves. They also have lang coloratura soprano, will sing loaned to the show an exhibition of | grench, Italian, Scotch. Spanish and l;he'man nfiu:dragm sets. picked up on | pruligh songs. the battlefields during the war. - < Ma), George Heerwagen of the Hotel | KWY — Weatnighouse, ChIcAse Plaza, commandant of - the battalion, | Meters—Central DeyUER( D owns the largest set constructed by | Time—Same ax En L an amateur in Greater New York. | Time). 9:35 a.m.—Opening market quota- This also will be on displa; Every member of the newly formed | tions. Chicago Board of Trade, every ommerce | half hour until 1 p.m. National Radio Chamber of g s an exhibitor. Many new devices in p.n.—Closing market quota- radio, which, it is predicted, will amaze the industry, have been held z from public announcement until the 5 p.m. show, which will signalize their dis- | reports. closures for the first time. 6:30 p.m.—News, final market and Jobbers and dealers ‘in radio appa- ,stock reports. ratus from scores of cities have made| 8 to 8 pm.--Musical program by reservations at the hotels for radio |Mrs: F. E. Soaper. soprano: William show week. { Davies, tenor, and June Hoffman, ac- p.m.— 360 ng ews and market reports. News, market and stock Quintet—Manuel Feigen. violin di- SEEK MISSING WIFE |etor Anie it it ®ato: bert Feigen. cello obbligato, and To- bina Feigen. pianist. 9 p.m.—News and Sports. KDKA — Wentimghoune, Pitta Mrs. Catherine Lockwood Leaves| (380 Meters — Eastern Stan Time). Photos Over Desk in Office of m"w 12:20 p.m. Husband. WEARING $2,000 GEMS Wearing jewelry valued at approxi- mately $2.000, Mrs. Catherine Lock- wood. wife of W. P. Lockwood, at- torney, with offices in the Ames build- ing. disappeared Wednesday morning and efforts of the police and her hus- band to locate her were fruitless up to noon today. A_peculiar angle appeared today. when it was discovered that Mrs, Lockwood had entered the office of her husband Wednesday, before he arrived, and placed_two pictures of herselt in a frame hanging over his desk. The photographs had been taken recently, according to an em- ploye of the office, and Lockwood knew nothing about them when his attention was called to them. It was for the purpose of having these photographs taken, it was learned later, that Mrs. Lockwood had ®one to her bank and extracted a dia- mond sunburst and a jeweled brace- Jet watch, with other items of jew- elry from her safe deposit box. Wednesday morning Mrs. Lockwood reported for work at the W. F. Roberts printing plant, 1415 L street, where she was employed as a bindery worker. and received a telephone call about 9 o'clock. She told fellow em- ployes that she was going out for a few moments and would return short- ly. Since that time she has not been seen or heard of by friends. Police were notified by the husband late yesterday and asked for ald in locating her. _ MUSCLE SHOALS OFFER MADE BY BALTIMORE MAN New Proposal Would Use Nitrate Plant to Make Fertilizer and Other Products. By the Associated Press. A new proposal for the lease and operation of tte government's nitrate and power projects at Muscle Shoals, Ala., submitted by L. Stern, consult- ing engineer and manufacturer of Baltimore, Md., was made public by Chairman Norris of the Senate Agricul- ture committee, which is Investigating the various offers already flled. A letter to the committee transmit- ting the proposal said Mr. Stern had communicated with the Secretary of ‘War regarding the Muscle Shoals project and that Mr. Weeks had ad- vised sending the proposa! direct to the Senate committee, “as The pre- out of the hands of the War Depart- ment. Mr. Stern offered to take over the properties for operation for “a term of twenty-five to fifty years, or such other time as may be agreeable,” to complete the plants at government cost, and to repay all expenditures al- ready made at Muscle Shoals at the rate of 2 per cent annually. Power developed at the shoals would be used to “manufacture fertilizers Yo such extent as may be feasible,” and other products. . SENT TO WALTER REED. Lieut. Col. Thaddeus B. Seigle, in- fantry, at Camp Dix, N. J., and Ma. Arthur L McCoy, Quartermas Corps, at Fort McPherson, Ga., have been ordered to Walter Reed General Hospital, this city, for treatment. Lieut. Col. Junius C. Gregory, Medical Corps, and Maj. Charles R, Insley, Woodward & Lothrop, F rd | companist. Aleo the Feigen Family | ~ UNION SUITS Goldenberg’s, 7th St. N.W. g Samuels, 1942 14th St. NW, The Style Shop, 7th and G Sts. N.W. R T. Cissell, 700 17th St. N.W, « Sol Herzog & Co., 9th and F. Sts. N.W, Herbert Co., 1235 Penna Ave. N.W, * Friedlander Bros., 428 9th St. N.W, King’s Palace, 810 7th St. N.W, THE EVENING STAR, WASHINGTON, D. ©, SATURDAY, MAY 13, 1622, ., : 4 Radio Ralf— .4 (Oopyright, 1922, by the McOlure Newvpaper Sysdicate.) . ’ ~—By JACK WiLSON. “Tabivighi, 1922, By The MeChurs Newuphper Syne! e honey TALKS LOUDER THAN : TUNE YOUR EAR, SARAM! . — OIO TO ME TODAY! 5 = WE ARE GOING To LIQYEN " 7 4200, TAKES IT! B 1N ON CHINA ,ORIENT TORE TAGEX AND ALL POINTS EAST! : Ir ComsnT Marcl B How to Build a Radio Set No. 12.—Making a Transmitter. § New Apparatus and Devices § By‘quph Brown, Radio Engineer: By E.H.LEwis i | INSTRUCTOR NEW YORK. Y.M.C.A. RADIO SCHOOL BY WAYNE SHAFFER. ing properly, and no set method of ' : 4 et ; procedure can be given that will per- . A DETECTOR AND AMPLIFIER |ampiification by throwing THE CURRENT INDICATOR. | tions produce audible sound then a The following instructions will en- | it aggembling the apparatus and CABINET. switch all the way to | roumonme witen s percelved by the|able the average person to bulld a | having it work absoluteiy the first . . 2 _{right, respectively.” Tha middlc p z B L Wil alse e peressary to| The vacuum tube detector and two- | tion provides for ex obtain from the radio inspector hoth | Stage amplifier cabinet fliustrated has | filiments of all the t he | The: pillsating giréct eurrent flow |senue of hearing is procured. The |radiophone transmitter which will | ing in a receiving antenna cire tone of the sound depends on the rate- % . S . 5 , | cannot be seen, heard. smelled or in|of dlaphragm vibration which, in carry the voice over a range of tWo|operator and station licenses if it is|a few novel features which may be|Unit IS not in use AWhuu tie < lany way detected by a human sense | turn. depends upon the frequency of or three miles or more, depending |intended to keep the set in usc. is thrown to the left deteci | of Interest. One featu: e e i et o s re is the alum- h, he 1 the pulsations. upon the abil| ¢h Firet wind the 4-inch tube w g ® tion ,the filaments of the two | without some kind of an indicator or gt s P e ability of the operator who | FIREC JUHCL 0 King taps off every | inum frame whfth unites a front and [ fler fuhes are automatically {translating device. There are many The effective resist ¢ the mag- & ective resistance of 1) rns, |18 Nandling the apparatua six tur Then wind the smalier|rear panel In a rugged assembly. All|{rom (he storage battery and devices which might come to mind net windings to very high frequency 4 : % currents is very great, and currents | The following list of apparatus is| tube w about twenty turns, no rheostats, tube sockets and other "R";i:tr:nd{iomeur is mounted with1 as being possible. But any device suitable for the purpose must be £ 8 c: . needed: X taps being taken off. The exact num- e ol juch frequencies cannot pass. One .001 variable condenser, | [APS BEINE takeh oft m“cq(“u:m" parts are mounted In this metal frame. ' the cabinet, which provides for crit. cal adjustment of the plate voitaz: capable of responding well to very feeble currents. A highly satisfac- This Is the reason for rectifying the T e T o hons. of sirect | Ty Gqphone transmitter, five inches| Around the winding of the - larger | The sockets are arranged so that the S on LG I o antions | uroh thch tUbIng, three inches pr 33~ | tubing wind one turn of lamp cord | tubes when inserted will stand ver. R e etk R o ey which T8 bevond | aoh tubing, one pound No. 20 Rotton- | Some 'experimenting will be needed | tically. Over each tube position there D e e T 1 o the ability of the human ear to do-|stat, two feet lamp. cord and one ‘ofmGe meins o SMOUNL of the lamp | is a metal gauze protecting cap which ed s the Dlate cireatt Frovicin: tect, no sound is heard, even though |tube (either amplifier or s-watt cordtq Wind on. as this is very criti-1can be lifted when a tube fs inserted. | s made for changing the grid lead tory device is the magnetic telephone receiver, which contalns two electro- | the ‘diaphragm should be capable of |transmittin; cal and the exact amount of wire to i The brilliancy of each § v g). = . é v of each tube flament | resistance when necessary fo: i ’magnels wound with rather fine In- | vibrating so rapidly. As a matter| A G5-watt transmitting tube will |;§y;\n¢éund\:xuu{;:\e&r?mheorrag:gy‘r:‘yg san be observed through the gauze|mum efficiendy Ton ‘.arzu{;,’ maxli = s - lengtl sulated wire and so arranged that{of fact, the dlaphragm fa not capable | give the best result e | they act upon a rather thin metal|sf esults, but an ordinary | of connections, etc, “Will be neces-! Both a |d|lphrlgm.v at :d?;':ln.f;;f {‘,';";“’,f,‘..e,ff‘ whatever :‘T&L‘:‘:’ ,;.‘;,‘:3 mey '"‘l used with| sary, It will be well for the nuxm:rlmntrolle?m’xron‘:bc%mfi::“:;:o:z: u‘l;hec a':l‘;l"{‘;‘“"lr!:n“torrm" ADNIAET | electric current flows | PUIE i tan ey ping across | Tacee®s, [The blate voltage of 150} to spread the apparatus out on the jof ample current-carrving capacity. & Shs tores 2 out tan. 3o D e et Windings he [the et artenan oyt “are | torngmn be suppiled elthet by resu- | table for the fnitial tryout. {X thiree-position cam awlich N S e iher At D diaphragm is pulled toward the mag- | damped there are groups system are lar “B" batteries, connected together. | A" grid” condenser should he mado | Vided as shown. The GER e e pro: [ The traastormbr_winlings Sre pron B B D eres of dluphrage | cucicy cther obelliilons, and the fre« f{,,?j'z: Sioragze “B” battery. A 6volt| by clamping two picces of tinfoil | may. be connected fo either the des ;i;‘i’&'&‘.’f’.’.’;‘l:’?fllg’smfi.’)’n’ LT D e T tho. sEreabth | tmency o T iy Hroduction 15 | thar Sie,batiery s necessary to light| 4 by & inches between three Tpicces | tector tube of to the two stages of fortion. of the current flowing. When 1olmade an audible frequency at the ' ficr tube is used. 1T a transmitter | ing tans ot for - fc iones and bring- | current flows the diuphragm assumes i sending station. This. then, cause.¥ tube is used, eight volts will be| mine s i connections. Use | | a normal position. This normai posi- | groups of pulsating current in the re- necessary on the flament. In con- | thoe miear b (hit Leh, the foil to : 4 - T e e microphone an T R A R e i T T 800 GIRL SCOUTS RECRUIT| ATTACK TROLLEY CREW. of attraction exerted upon the dia-|tains a rectifier in serles with the | menting will b ; Srdinary Stanamitier such as s used | phragm by the permanent magnets | current indicator (telephone Te- |of the operator to met the not woek |5y the Jocal telephone companies will ! FOR FLY SWATTER ARMY | party of colorea base bail yie: of the receiver. An increase and | ceiver). 2 ork-|4do the Work Very well. | ers returning from a game of bal decrease of the strength of currenti Take one group as an illustration. and dance at Rockvllle, Md. ockville, Md., vesterdsy flowing through the magnet windings | The rectifier allows current to pass, i g | produce a corresponding pull and Te- | let_us say, from the ground to the GETS LEVIATHAN MODEL. ' ight hundred Girl Scouts of the | morning about 1:15 o'clock becant | lease psl Tep’-‘lllxap!‘\’r':‘lynl‘.melf"r:le? cur-end of the antenna. This cha;ges n:e —rs 2 . District have volunteered as recruit- |involved in a row with Motorniog i sating a-|antenna, since no current flows in s = ing officers to enli s phragms are pulled and released once | the opposite direction . during . the Ship Board G}ven Replica of War's | D. C. Man's Appointment Noted in !u,.. city m" ”g.e:rnfi, ‘(‘1\;-;};_ f.l‘v'n(tl‘yerj.fi Eg;ura Sylvester and Conductor for each pulsation’and will be forced : group of pulsations. At the end of Greatest Tr: . | T this" Jatest drive against the | eun wam Tet ctrear norinenst Hlowd to, vibrate at the frequency of the!the group the antenna will attempt ansport. List of Many Changes. Ay the Chapin-Sacks Cormoration |oir Besrd3th-alreet northeast Blawl | bulsations. 1f the pulsations are at!io discharge to ground through the | The model of the S. §. Leviathan, the | 5 i = .| has furnished v wére pasaed and stonss thrown, bul ; I3 1 g x than, the | Recent changes in the United States shed 100.000 swatters and | members of the car's crew were nof such a rate that the diaphragm vibra- {.-cctifier and telephone. If the rec-|remarkabie repl b the District health department 1 e e iTent (o fes plica which wrought | consular servjee Include the resig- | obiained & supnly of elaborate post: | Sepiously wounded. ¢ aa | by skilled German workmen, for ti § It is stated that memb ? th {to ground this can be accomplished, | 1. for the pation of Leo A. Bergholz of New |ers. illustrating forcefully how the ers of thy i ctice i v 2 H g 2 cos! 2 0, 4nd | vis = Y ¢ | party asked that a stop be made al i but In practice it is advisable to con- | Hamburg line at a cost of $23,000, and | york, consul genmeral at Canton; the | Y, €ollects germs on his feet and s point not Aeicinton oy b utow en carries them into the kitchen, of Maine. | the dinner table and the baby’s crib. cutta, to Constantinople;| Beginning May 28, each Girl Scout Lakin | Will he given a supply of swatters and posters and will deliver one to 4 to 4:20 p.m.—Music. Y n 4 o |nect the telephones around the recti- | which now rests in a larze glass case | L | & Jym g Popular concert by the EX- | fier so that the antenna charge can |in the Shipping Hoard gection of the | onafer of Harold R. Foss 2 pm——Banking as a Profession,” | 'k 1o &round through e MEENS! | Navy building, was wrned over at cere- | Vbt i Alesander Dunbar. president Ponnsyi- | Windings. Far each group of oscilla’| i ontes to Chairman Lasker of the Ship- | \h® d¢tail of Consul Harry 3 Conductor Daniels, twenty-one veart old and residing 2t 1513 Rosedale strest northeast, was not willing 1¢ viglate the company's rule and de: clined to make the stop. vania Bankers' Association and vice ("', | pi i 4 | of Pennsylvania to the State Depar vania 1 AR | ctric charge on the antenna | Ping Board by Thomas W. Miller, alien | 3 ia to the State Depart- | each home In her neighborhood. In president and cashier the Bank of | Uy G ischarges to ground at the |Property custodian. —Col. Miller’ Said:|ment: the transfer of Edward P.|this wav it is homdgw bring the | 0o of the colored passengers, th [Piisburgh, e the Fellows | 10 of the group. The discharge | “This replica of the great war 2l lowri of Tinois vice con<ul at Hag | iy-killing campaign directly to the | POLce Were told, pulled down th¢ o BalaaConpsnt By | takes place through the telephone re- ;Port. that heid a? records for taking Mexico City: the assignmeny |attention of every househoid in the | (Foler, Then the trouble started and W 3 i | coiver. since it cannot take place |troops to France. was formerly a great « Consul John C. Moomaw of | city. ;“:.r;o(omu:‘r:d colhdlut’:nr were |y‘< 2 s w e proc 350/ t0:1 p.m.—Arlington time sig- [ /O U ol (he rectifier. which | business getter for the Hamburs-Amer- Virginia to Montreal: the transfer | The handle of the swatter will nals. is in shunt to it. The groups are|ican line and it is hoped that it | of Vice Consul Richard C. Beer of [bear the following announcement: | WWJ—Detrolt Newn (380 Meters—|at an audible frequency rate, -and,|may heip to carry the flag of the United | New York from London to Buda-| —“Delivered by Girl Scouts for your Central S rd Time). fince there is ome pull and release | States merchant marine to the seven | pest; the gnment of Vice Consul | health. One fly can carry enough i o il al | : e eern Hieh School | of the dlaphragm for cach roup, (e | Seas. The model will ‘always be tae | Edwin X. Gunsaulus _of ~Obfo to | germs to-kill you—this may be th » e Wit Vilrate comparatively | property of the United States govern- | Windsor, Ont.: the appointment of ¥ 7 ®! ORDERED TO WASHINGTON. for members of the base ball gregation. Orchestra. f The Lullaby Lady. strongly at the group frequency. ment, just as the great ship itself will. | Fred D. Houck of the District of erature against the fly also will | Capt. Charles J. Morell Lou 'Kennedy. baritone. & for I belleve that, whatever hecomes of | Columbia as vice consul at Hamburg, [be widely distributed by the food | master Corps, at Fore Sfconerson The Town Crier. , ttore Title waat 1t 1o that yon | 18,60t of the German property, the | and the tranafer of Vice Coneu? Wal- | and sanitary inspectors of the heaith | Ga., has been ordered to this city fni t matters little wha s that you | Leviathan will never be relinquished by | ter J. Linthicum of Maryland from | department in their daily rounds of duty in the office of the Quartcrmas: ! H. E . director of the : 3 i P O e varsily 6| want—whether a situation or a servant | the United States government Michigan, address on “The Ral as a|—a want ad In The Star will reach the Menace to Healt i person who will fill your need. ngapore to Palermo. - the city. ter General, War Department. A Store Near Your Home. Made for the Man Who Wants His Money’s Worth Made of ‘the finest long wearing nainsook, Reis Athletic Union Suits at $1.15 present the utmost value in underwear. - Real ocean pearl buttons sewed on to stay on, re- inforced buttonholes that can’t tear out, close even stitching and gen- erous hemming throughout. To our Patrons: : We have decided that | . we will make no change in | Caut full to give. you perfect com- \ ; our usual business hours. . l fort in all your sport gymnastics, Any of the dealers listed below will be glad to give you a measured fit. Ask for No. U-500 Robert Reis & Co. Producers and Distributors Our Stores Will Open Daily 7 AM. Close . at 6P.M. Except Saturdays We Close 9 P.M. St. NW. © R.T.Cissell, 1304 F St. N.W. % Meyer’s Shops, 1331 F St. N.W, The London Shop, 827 7th St. N.W, Hoapital che frat named gorng o Chi- Frederick Hat Store, 825 7th St. N., Arthur Morton, 605 15th St. N.W, ospiea’, ed going to Chi- rederick Hat ore, th St. NW, ur Morton, Wy e o L E. West, 405 7th St. N.W. 5 Phit Boby’s Co., 725 7th St. N.W, DEMOCRATS TO MEET. M. Stein, 808 F St. N.W. Benator Stanley of Kentucky will be e principal at ® meeting of N.W. Bl o of la, the T M. Wolf, h crats are invited to attend fhe ¢ nfi' \31@'0{ Quality, 623 Penna. Ave, Phillip T, Hall, Inc, 1411 F St. NW, Artl:m"NcTnan 422 New York Ave. St. S. ; 2157 K St N.W, M. Bendheim & Co., 3038 M Sty N,W, Hollander, N. Capltol and M. Stein, 920 9th St. N.W, g Max Cohen, 7th and L Sta. NW, i Sherr’s, 1920 14th St. N.W. Livingsten Quality Shop, 908 7ih St. Herbert Haberdashery, 824 9th St. N.W, Bieber-Kaufman Co., 901-909 8th St, S.E, - People's Pept. Store, Penna. Ave. and 8th H Sts. NE Sigmund's, 1920 Penns. Ave. N.