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W6WmmY, DEC EM BE B ' IB. if s, SERVICE COLUMN. . By Capt. Robert Scoficld Wood. Questions and Answers. A'dicw Perry "Will you kindly tell m thi rnnse of the receiving eet pub hsncd In Tfca Kvcnlnc World, usInR a WDU tubo rheostat, dry cell battery, a loose coupler, a variable condenaur, phones and 'D' battery? What could I use- In placo of the loose coupler to In crease my receiving range?" Answer Tho sot referred to uses n varlo coupler Instead of a loose coupler and under normal conditions hao a dependable re ceiving radius of ISO miles: that Is, pro- h viuins inu pet is nut PL-rrcntu 17 qitui B structures or other highly conduclvs when tho last step Is cut In tho Intcr- Im an prant flint It ftnnMft t (l O Pft- nlnn nllnirothpr. HOW Cnn tills be avoided and what causes It? I hvo been all over tho set ana cvorymins seems to be all right." Answer Three ink., nr nmnllflitntlnn rntinnt hn used with any decree of success because th Internal noises aovoiopcu in mo iuuea themselves bocomo creator than tha .t.AMirtli nf thA alirnnlii. Stick tn tho two-steps and forget about tho third step or cnango 11 inio a siep 01 ruuiu frequency. lArcdlums which absorb tho weak sig nals and weaken tho powerful signals. When you speak of Increasing .your re ceiving range do you refer to distance or stations of higher wave lengths. To Bt stations that aro over two hundred miles away with any degreo of regu larity a step of radio frequency will bo ft necessary, whereas tho reception of sta in tlons of higher wave length can bo uc MCompllshed by loading tho colls. I Wm. Schultz "Will you kindly ad- Iso mo how to connect one tep of dlo frequency amplification to the at- .ched hook-up? Would a potentio meter Improve my reception? Where and how should It bo connected? Will a WOll tube give as good results as a UV201? How mnny volts dhould bo used on -the plato of a WDU?" Answer Tho hook-up wanted by you will bo found In tho City Edition of Tho Eve ning World of Sept. 20, 1922, A poten tiometer will improvo your reception by eliminating a lot of tho battery noises und Interferences. The potentiometer effects a perfect balance between tho filament and 'plato circuits. It should bo connected across tho "A" battery nnd the movable . contact attached to tho negative Bld- v tho battery giving clghtoci. oils. Tho WDU, ac cording to tho manufacturers, Is a hard tubo ar. can bo used In pluco of the UV2C1 in any receiving circuit. It gives as good results as the 201 tube, fins type of tubo will take anything up to 100 olta on the plate. It functions, now vcr, on about 22 volts. iHwitu M tiak nv mo vniuui? 111 microfarads and megohms of tho grid r.COndensers nnd grid leak for a UV201 lltubo In a single tubo regenerative set? IRAnswer A grid condenser of .00925 Itmlcrofarads or .0015 microfarads In Ifrhangeablo cartridge form can be bought liana used for varying weather condr Uttons. The grid leak should bo variable 7, n .1 1 r f 1 . to 5 megohms. This leak will give all tho necessary variatlo8 for weather conditions; fo the receiving Instrument can always be relied upon to give tho best results. An article by II. u. Wal t$V.k, published In The Evening World VW Aug. 17, gives the results of cxperl lnents ulong these Hues. P. Thompson "Will you kindly ucttle a dispute as to who discovered wireless? A Bays it was .Marconi and U says Hertz." Answer There aro about five distinguished scientists who claim that distinction, and until they Fettle among themselves the question of dellnltely placing the laurels no preTer to remain rtlcnt. In Tho livening World of Aug. 7, 8 and 'J you will find n chronologlcol tablo of radio development to which we respectfully icfir you. c won WEWAIUC. tOO UKTIIEB. 1 2.30 P. M. Song recital by William D. Connolly of tho bingers- t;iuu or New York. 2.0 P. M. Selections uy uiara Auwell, harpist. 2.C0 P. M. "Ton Minutes Willi Malty." Christy Mathewson on "Tho Value of Health." 3.00 P. M. Songs by William D. Connolly. 3.15 P. M. "Little Journeys to tho Homes of the Great" by Elbert Hubbard. The journey will bo to the homo of Samuel T. Colerldgn. 3.45 P. M. Selections for narp, violin and piano by Clara Auwell, Jessie E. Koewlng and Loulso isgner. CIS I'. M. Santa Claus Hour. "Ex ncrlences Muring the Day In Toyland.' 6.30 P. AI. "Man in 1110 Jioon Biorics for tho Children. ' fi.55 to 7.B5 P. M. Weekly Release or the Babson Statistical Organization. c WEAF 1VKW YORK. 400 JlCllES. . E. "Will you kindly tell mo -what Js wrong with tho inclosed hooK-up, of a detector -and three-otep outfit, I get Knot! results using tin- phones jacked in on tho second step of nmplillcation, but FEOTtLeS Trnnsnilttln Niagara Tower liy Itadlo wtn t op. ate New York Bub way and other public Utilities Knilio Hnrf Horse Auto lift f'unreiilrd IluilU Antrnnn nrunIrittlnc Macnra' Hour Vritr Itaillo Itiifhinz et 'It ud Ui liitprfpiriirr' Content An- , nouncrmeiit 100.00 In rrln-n Make Your Own Itndiu Ioli Kndiu Tunlnc Pmlces nnd C'lr- I r lilts, Hndlo Itrnndcnsdnc Sin-1 ktlnn Photos, Kndlo llroudonsl I fMst of Latent Kiicllonlionrllroad-" ru si I nt; stations and f 'nil letters lEnriio mr Imp llpglmirr Kith In Malhiicnl. Hndlo Oracle ((ueh tlons and Anstiprw) IOtPst I'lltflltN. And over iVJ other nrUilc- in Iho world of Bclcm , lnvcntiuus und Mechanics. All In the December Issue of to ov On All Nev;3 Stands f&'weeh X-do up ot w f n Imp ...1 . .. blnc-Hhlle diamonds. ME 1TI (lli.l ...in. A... M-karnt niid uhito cold (llU-tll2l ., llxilini.lij; ot 'AUU1KITI1 l.i iiil u 4 t. . tee II. you ill ilinl vo canwu dupiirutr it unynht-ic nt mm i "y into 1 FRF F ,;r!n"- srttH or i""" - -m;ih i;atnto3 , "uitii snows- hiitinrLUt, OI other fllf-n Th.it Iwki ' !L. Ml Hold on Credit. 1 AMERICAN WATCH & DIAMOND CO. two ursTAina stones. 6 Maiden Lanol 503 Fifth Ave. Fourth Floor ,:"'r.,,"t' T .l?A. Take IlUuitor , nicllt ,, V Cortlandt flHti; i Tel. Vundrrbilt 303 4.30 P. M. Ittcltal by Edith Traud. coloratura soprano, accompanied by A. V. Llufrio. 4.15 P. M. Clarinet solos by John Do IJiinrls. acconinan cd by A. V. Llufrio. 5 P. M. Recital by Kdlth Trauh, cot- orntura soprano. G.15 P. M. Clarinet solos by John De Buerls. 7.30 P. M. Imitations of birds by Ed ward Avis, accompanied on violin by himself, 7.S0 P. II. Piano recital by Helen Jclkut. 8 P. M. "Tho Story of tho Little Glass Slipper," by Qlmbel Drothcrs, New YorU. 8.10 P. M. Recital by Frances Ba vlello, soprano, and Ferdinand Zegel, tenor, accompanied by Clifford Vaughan. 8.40 r,. M. Violin aolos by Ccclla Stevens. 8.65 P. M. Piano recital by Helen Jclkut. 9.15 P. M. Joint recital by Frances Bavlcllo, soprano, and Ferdinand Zegel, tenor. 9.45 I. jr. Violin solos by Cecllo Stevens. r VOY- SCIlENHiOTADY. 403 MKTIU2S. J 12.00 M. United States Naval Obscr vatory time signals. 12.30 I'. M. Noon stock market quo tations. 12.45 P. M. Weather forecast on 483 metro wave length. 2.00 P. M. Music. COO P. SI. Produce nnd stock market quotations; news bulletins. 0.30 P. M. U?adlng from Grimm's Fairy Talcs, Kolln llager, reader. 7.40 P. M. Health Talk, "Keep Your Mind Well," Col. Homer Folks, Secre tary New York State Charities Aid Association. 7.43 P. M. Radio drama and con cert. WJZ KEWAIIK 300 MCTIIISS. 5.30 P. M. Closing prices on stocks, bonds, grain, coffee and sugar. - C.35 P. M. "Two Stories," copy righted by the Youth's Companion. 6.15 P. M. Conditions of lending In dustries, by R. V. Wycoft of tho Maga zine of AVull Street. 5.50 P. M. Resume of sporting events. G P. M. Musical program. 7 P. M. "Bedtime Stories," by Thorn ton Burgess. 7.13 P. M. "American Bred Dogs," by Frank Dole. 7.30 1'. M. Recital by Abracha Ko nevsky, violinist. 8 P. M. "Books ns Gifts," by H, Askowlth of tho Independent. 8.30 P. M. "Fashion," by an editor of Harper s Bazaar. 8.45 1'. M. Concert by Erna I'Iclka, contralto. SHOOKID "TROTTER A Remarkable Shoe for Children 95 -llr1l Iff 3 (Sizes rt& to a) Sizes 6 to 8 . . $2.95 Sizes 8 to 11 . 3.45 Sizes to 7 ... .95 Mahogany Russia Calfskin COMB here for children's shoes that were made to wear und certainly do! All SHOOKIDS are all leather. English Ribbed Stockings Black, Brown and White 35c per pair; 3 pairs for JL. r:AMMEYE Sum ptd on t Shoe Meaa Stamford f Merit H mm, 47 West 34th St., New York gj BrookLyn-iwrviTONirc. Newark- nnoAD $t. 9 P. M. Lltc'rary evening, conducted by the editorial staffs of tho Outlook, Sclentino American and Harper Bros. 9.15 P. M. Recital by Fred Crom- nccd, concert pianist. 9.45 I'. M. Recital by Frederic Cromwccd, pianist,' of tho Bronx, 9.5a to 10 p. M. Arlington time sig nals, weather forecast. 10.01 P. M. Musical program. L IV O I MEDFOHD HILLSIDE. 300 MF.TUK8. 3 7.00 A. M. Before breakfast set-ups, by Arthur V, Baird. 9.30 A. M. Musical program. 10.30 A. M. Now England and ocean forecast, United States Weather Bureiu. 11.30 A. M. Music on mechanical player. 1.30 F. Mi Boston farmers' proaucc market reports; United States oHlcbl weather forecast (485 metres). 2.00 P. M. Modom Prlscllla talk to housewives, "School and Business Lunches;" "Food Flavors and Savora," Miss Goodwin, Department of Agriculture. 3.00 P. M. Mldafternoon nora; mu sical program, 6.00 P. M. Market reports. C.30 P. M. Boston police reports: lato news Hashes; early sports news. 9.30 P. M. Evening program of talks and music. WAR MEDAL TO COL. CLARK. WASHINGTON, Dec. JLteut. Col. Stephen S. Clark of No. 48 East 70th Street, New York, lias been awarded tho Distinguished Scrvlco Modal "for ex ceptionally meritorious and distin guished service" In administration work with the 2d Army Corps, accord ing to tho citation Issued-by tho War Department to-day. Citations for gallantry in action wcro announced to-day for Scrgts. Gcorgo W. Stowart of Rahway. N. J., and Stanley A. Todd of Elliabcth, N. J., both of Company C, 104th Field Signal Battalion, 29th Division. Tho decora lions aro for "gallantry In action near Bols De Consenvoye, France, Oct. 12 14. 1918." Stewart nnd Todd whllo un der heavy bombardment of artillory courageously continued to lay wires and and continue communication between tho front line battalion nnd regimental hcadquurtcrs of the 113th Infuntry. IN NEW YORK TO-DAY. High School of Commerce Alumnt As sociation, dance, Pennsylvania, evening. Tobacco Salesmen's Association, meet ing, Pennsylvania. Alumni of the Collego of Pharmacy. dance, Pennsylvania. 8 P. M. Virginia Claim Conference, meeting, Pennsylvania, 10 A, M, The Hydraulic Society, meeting, renn sylvanlu, 10 A. ,1. Sigma Phi Alpha Sorority, dance, Blltmore, 9 P. M. Women's Metropolitan Golf Associa tion, meeting, Blltmoro. 10 A. M. Association of Life Insurancn Trcsl dints, convention-luncheon, Astor, 10 A. M. National Association of Credit Men, meeting-luncheon, Astor. Drama Comedy, social matinee, Astor, 2 P. jr. Phi Chi Medical Fraternity, dinner, 7 1'. M. Purdue University Alumni, dinner, Astor, evcnln. American Society of Mechanical En gineers, dlniipr-dntice, Astor, ovenlng. Junior Aid Loaguo of Lenox Hill Hos pital, dance, Astor, evening. Radiant Lodge. No. 739. V. and A. M., dunce. Astor, evening. College of oral and Dental Surrery. dnnco, Astor, evening. National Society, United States Daugh ters of ISIS, mooting, Waldorf-Astoria, 11 A. M. St. Mark's on tho Bouwerle, St. Nlch olastldo celebration, at the parish house, afternoon and evening. Tlio Virginians, annual dtnner-danco. Plaza, evening. United Neighborhood Houses, rum I magw sale, No. 74; niKhth Avenue. 'Uil, 1'' for FULL FLAVOR FULL BODY FULL TASTE and FULL ENJOYMENT in TEA Use the FULL NAME when you ask your dealer for NO MATTER WHAT IOV NEED A WORLD "WANT" A DVT, WILL OO GET IT, rThe Good MAXWELL Club Coupe The good Maxwell is making wide spread inroads in buying favor because the public recognizes in this car elements of goodness and beauty unprecedented in its class. Cord tirr, rton-t lrid front and mr; dic stt-tl wheel, demountable at rim and at hub; drum typ lampa; Alt mitt .lubrication; motor-driven tlactrfc hoinj unufuaUr lone aprinci; new type water-tEcht wind ' tUeld. Pricaal.o. b. Detroit, revenue ux to b added. Touring Car, $68$; Roadster, $885 1 Club Coup, Wt Foux-Patacncer Coupe, Sedan, tWS. COLT, STEWART COMPANY, Inc. Broadway at 59th Street Circle 5550. Bronx Salesroom Grand Concourse at 175th Street Trcmont 4914. Maxwell-Chalmers Sales Corporation, Inc. 1410 Bedford Avenue, Brooklyn Prospect 8411. 2 Every J A Garment ; f Guaranteed J S Kept in 7 Repair J One Year i KNITTED PRODUCTS Every 3- A Holly Box . Free Purchase Packed tn Girls' Pure Wool Coat Sweaters, $4.95 with Dutch-effect collar. Looped for belt, with side pockets and turned back cuffs. A variety of color combinations. Sizes 30 to 36. Mufflers and Scarfs Always Acceptable Brushed Wool for Men, $1.95. Soft, worm scarfs original colorings. Men's Camel's Hair Scarfs, $3.95 These have the contrasting , colored border stripes, in most suitable shades. Women's Scarfs and Tarn Sets, $4.95. Made' of soft, fluffy, pure wool: in large assortment of pat terns and colorings to select from. Extra Wide and Long, Reversible Scarfs for Women, $2.95. Made of y oft, fluffy, pure wool. Come in sclid and contrasting colors. Ladies' Shawlettes of pure brushed wool, extra wide and long with fringed ends. Two pockets and belt, $5.95. tft 3fbeas jfor berp Mtmhtv of tfje Jf amilp Men's Wool Vests, $3.95 T Made of fine wool knitted cloth with four pockets. A variety of models in all col ors. Just the thing to wear under coat. Infants' Coat Sweaters, $2.95 Made of finest virgin wool, in a buttoned coat model, with a little belt and two pockets. Collar and cuffs of a contrasting color. All kid dies' colors and sizes. For Men Sweaters Golf and Sport Hose Mufflers Woolen Coves Vests in Various Styles Knitted Tweed Knickers Silk Hosiery Silk Scarves For Women Tuxedo nnd-Coat Sweaters of every description in Wool or Silk Skating Sets Scarf and Tarn Sets Silk and Woolen Hosiery Vests, Novelty Slipovers Woolen Gloves Gauntlets Woolen Petticoats Knitted Dresses Knitted Capes, many styles Knitted Polo Coats Glove Silk Underwear Knitted Tweed Knickers For, the Kiddies Teddy Bear Sets Slipover and Coat Sweaters Woolen Mittens Knitted Leggings Infants' 3-Piece Sets Hats of Silk and Wool Baby Carriage Cavers Hand Crocheted Tarns Little Jersey Dresses For the Boys Coat and Slipover Sweaters Sport Hose and Gloves Skating Hats Sleeveless Slipovers Knitted Wool Toques Jersey Wool Suits For the Girls Coat and Slipover Sweaters Scarf and Tarn Sets Hats nnd Tam-o'-Shanters Tuxedo nnd Coat Sweaters Sport Hose and Scarves Knitted Jersey Dresses Misses' Hat and Scarf Sets, $3.95 Splendidly made of pure brushed wool set consist ing of scarf and hat in two tone color combinations. Buff and Brown, Brown and Buff, Harding and Brown, Jockey and Navy, Peacock and Buff. Men's Elastic Knitted Sweater Jackets, - - $4.95 V-neck buttoned model, snug fitting and comfortable. Exceptionally well tailored and knitted so as not to stretch out ol shape. All Heather shades. She Will Always Appreciate A Gift of Hosiery SPECIA L WOMEN'S yZnufiuq PURE SILK STOCKINGS Packed in Handsome Holly Box 3 PAIRS FOR $3 Mannish Brushed WoolSweaters,$5.95 Originally designed tor men. now very popular also with women. In many popular colors. Woolen Gloves For Women ;' Wool Jersey Suits, $4.45 Two - piece, Middy style, snappy and splendidly made with sailor collar and trim med with tie and chevron. Sizes 2 to 8 years. Regularly sold at $5.95. Men's Coat Sweaters, $4.95 Made of good quality wool with double roll collar. Brown, navy, dark oxford, also heather shades. Sizes 36 to 16. Women's Slip-Ons, $1.95 Several models in Zephyr Wool, formerly selling at $2.95 and $3.95, now spe cially reduced. All the lat est shades, including buff. Women's Tuxedo and Coat Sweaters Always Acceptable and Serviceable Coat Sweaters, with Dutch col lar; pure wool. Wide belt and patch pockets are quite appro priate. In bright and substan tial shades. Sizes 36 to 46. Tuxedo of pure wool, belt but toned on both sides; made in u two-ln-one model which can be buttoned as a coat. All sea uonible colors. Sizes 36 to 46. Women's All-Wool Gaunt lets, Heather mixtures, $1.25. Women's All-Wool 2-clasp Gauntlets, leather binding, $1.65. Women's All-Wool 2-clasp Gauntlets, Jacquard cults, $1.85. Misses' All-Wool Gauntlets, fancy cutis, $1.30. NEW YORK STORES 500 Fifth Ave., Cor. 42d St. 124 W. 125 St., Nr. 7th Ave 206 B'way, cor. Fulton St. 506 Fifth Avenue "Open Evenings Buy Direct From the Mills Through Our Six Big Store3 3ay3 a . ittisw New York and Brooklyn Mm Cunning Teddy Bear Sets, $6.95 Just the thing to keep tht kiddies warm; 4 pieces cap, coat, mittens, leggings. All pure brushed wool; silk braid finish. S zes 1 to 5 years. BROOKLYN STORES '571 Fulton Street 902 Park Avenue (opp. Broa.lvvayj Open'Evenini3 Until Xmas Until Xmas -.ft .. 4 if HHfcl wr asr aw r m& aw aw aw aw aw aw aw aw aw at aw aw aw aw w i: