Evening Star Newspaper, June 2, 1922, Page 24

. THS 1S STATION "N#X®| - MR Hiep ORAY WiLL NOW - R ey gl iy District of. Columbia, .Pennsylvania, Ohio, Maryland, Virginia and West to position in which it {s_mounted. But it insulated wire has been used you should have ome of the cleared | Virginia. B spaces along the wires in the center 10:30 a.m.—Marketgram (fruit and of the top of the uprights. The siide | vegetables) on 1,100 meters. rods should be one-quarter 1330 2315 apd 330 pm-—C. W. square brass rods and the marketgram elegrams od 1,980 short sections of square brass tubing, | meters. -4 ‘e enough to slip éasily, not| 5 p.m—Wholesale dairy report on loosely, on the rods. 1,160 meters by radiophone. ch’ section of tubing should have | "7:30 and 8 p.m.—Market report on a Dlece of spring brass soldered to|1,160 meters by radiophone> on e, shown, and on the op- 9: 1. ~— W posite side of each’ you should drill R Weakhar, Keport: a hole a trifle larger than a one eighth-inch bolt. Over these solder one-eighth-inch ~nuts. The sliders should then be slipped on the rods and the rods secured in position to the uprights by means dren’s storfes. ., 10:30 p.m.—Special program of music. WGl—Amrad, Medford Hillside, Mass. (560 Meters—Eastera Day! ing Time—Deduct One Hour). 2.65 p.m.—~News and music, 7:30 p.m.—News and music. 8 p.m.—Lecture on “Dancing by Radio,” by Prof. O'Brien. 8:16 p.m.—Musle, vocal and instru- mental. Expert Advice on Radio No. 17.—Tq Make a Two-Circuit Crystal Set. BY A. HYATT VERRILL, Expert on Radio Technology. The single circuit crystal set may be improved upon by adding better detectors, tuning devices and variable condensers, etc., but they are never as efficlent as the double-circuit set. through the ba ends of the tube, but care must be taken that they do not project inside the tube. The next thing is to wind the secondary coil. This_is slightly difficult. For the secondary, uge No. 24 or 26 insulated wire and at the tenth turn make a hole through the cofl. Take & tap from the wire, leaving a loop as al- [7‘. y..l',’,{’,-,l‘%% Youw'll like the looks of it foratrips of pink its WMU—Doubleday & Hill Eleetrie Company (360 Meters). 4:30 and 5:30 p.m.—Base ball scores announced; “Natoma” (Herbert); “Valse,’ Chopin); = “May WWJI—Detroit News (Eastera Stand- i ard Time). 9:30 a.m.—Tonight's dinner and househoud hints (360 meters). 9:40 a.m.—Music (360 meters). screws and washers. (as fllustrated), : ) ;4 i g w0, Spparsat Tho chiet difference botween r dou- | ES44y directad, and to ihls loop sttach |with a 'lengin of flexible wire ‘be: Taren (Joseh Kettans Cwcpater | 1015 ‘am—Weather report (455 ble and a single circuit set lies in|], tween the her and the rod on, Veinnols,” plano (Kreigler 56 & o v = ble and o single circult set lies in|jeast a foor long. ~Wrap the wpot|cach” if i o iaaYetnoly gl 11355 a.m.—United States Naval Ob where the tap and flexible wire join with tape and thrust the wire through the hole in the tube. Dull the tap down tight to the surface. Then continue winding and making taps in the same way until the end of the coll is reached. You will need some one to help you with this as it is by no meane easy to hold the wire in place while making the taps and connections, but if you are a careful worker a lot of trouble will be “avoided by measuring the distance from the first turn of wire to the first tap, then marking spaces on the tube at the same _distance apart, and ;making your holes In the tube, beforeé you go on winding. . When all the taps are completed and the tube wound, you should fit two wooden disks in the ends of the tube. Before fastening them in place, however, clamp together in a vise and bore two one-quarter-inch holes through both disks a little abo rew=tory time signal elegraph (360 meters). 12:30 p.m.—Music (360 meters). 3:30 p.m.—~Weather report (485 meters). 3:40 p.m.—Market quotations (360 meters € p.m.—Complete sport world news (360 meters). p.m.—Concert by Detroit News Orchestra. Program by Colonial Male Quartet. The Town Crier. Music by Prof. Paul John Cienanth, pianist Concert by Church of Ascension Or- chestra. Edith M. Ruebekam, music lecturer. Solo by Mrs. Grace Shir- cliffe, soprano (360 meters). thi sliders should bear firmly on the coil relayed by on the bared spaces. Oonnecting the Cofls. Finally wrap the heads of two %~ in brass bolts with adhesive tape, or form a knob of sealing wax about them and screw one into each of the nuts soldered to the sliders. Then, b{ loosening or tightening these, the sliders made be slipped back and forth or locked immovably wherever desired. In connecting the coil to the set one wire from a slider is con- nected with the aerial or lead-in and the other with the ground. One end wire of the secondary coil forms the second circuit with the wire from the switch arm, the taps being run to the contact points of the switch. This l!fl‘ ly shown in the diagram. In winding c very sure that both cofls are wound in the same direction. he variable, condenser may be placed In either the aerial or ground Wire or across the second circuit, or But you'll LOVE the taste of it when broiled crispy e s 4 a single or primary coil is used as & tuner, whereas, in the two-circult set, a double coil is employed; in other words, a coil consisting of a primary and secondary winding. In such a coil the vibratory currents from the aerial are carried through the primary coll, while the currents to the detactor and phones coil and are make certain you get AUTH'S! results; (Joseph Keifer (Nelson-Pease) Sanders) (Charmbury Prétty Kitty Kelly” ); “Sweet Lady" (Carlo ‘Water Sprites,” piano cMade in Washington N. Aurn szu_uva‘x, y, primray and secondary coils. The cur- rents passing through the primary start induced currents or vibrations in the secondary. As such induced cur- rents dre alw stronger, intense than the original primary cur- rents, the waves, passing througn the primary coil, produce corresponding waves of greater intensity in the se ondary coll. Hence the music or sig- nals will be louder and sharper. In such a set, the original vibrations in the primary coil may be tunel as NOF—Naval Air Station, Amacostia (412 Meters). 8 to 9 p.m.—Recital by Helen Belt, Yyiolinist, and Marie Belt, pianist, WValnut Tree” (Shubert), “Minuet” (Paderewskl and Kreisler) and “Ro- mance” (Vendeen). David Haslip baritone, will sing “At Dawning, milin' Through” and “Little Mother of Mine.” KDKA — Westinghouse, Plttsburgh (380 Meters, Eastera Standard Time). 9 to 9:15'a.m.—Musio. 11:30 2m. to noon. Music. p.m—Resuits of all base ball scores, by innings. 6 pm—Weekly summary of See the Brand-New rown & Gray Taxis league “The finely .= vo:smbe nnal:h;n ::: lnld“\:‘c:&i lme center. h‘n-en e a"thlrd hole, :l{:‘el “":lfvotr":r;n‘;‘yd b:ngse&.eogfhy; W"-’l—'lho-nfil';‘::':l)u--. Inc. (360 | jron Age” Base ball scores. The- currents may be s urther - .| large enough to it all the wire: o atrical features. So that, as a result, a vast amount of | from the taps and the end wire of (i} the secondary circuit, as shown. 12:30 p.m—+News items. Reports| 6:15 p.m.—Special address and con- interference may be eliminated which| the secondary coil, in one of the (Copyright, 1922.) on stolen automobiles. cert. would be impossible with a_ single- circuit set. Aside from the coll, there is practically no difference between the two types of sets—one is as sim- ple as as the other. Two-Cireult Set. In the accompanying diagram the wiring arrangement of a two-circuit set is shown with loose-coupled coll or loose coupler as a tuner. If You have already made the single-circuit set, and a good detector, you can use disks. Slip the disks in the ends of the cofl and thrust two br: quarter-inch rods through quarter-inch holes, letting the rods project several inches at each end. Carefully move and slip the dis about until the rods are perfectly parallel with the axis of the tube. At soon as - this position is found mark discs and tubef Fasten the tube to the disks with tracks or scre through the bare ends, first drawing the tap wires through the hole made 6:45 p.m—Special news. Govern- ment market reports. Summary of New York Stock Exchange. Weather report. 7 p.m—Base ball scores. “Law as a Profession,” by J. McF. Carpenter, judge of the common pleas court, north side, Pittsburgh. “Secretarial Training.” by M. A. Nernberg. 7:30 to 8 p.m.—Bedtime and Uncle Wiggily stories for children. 8 to 9 p.m.—Base ball scores. Vo- T-.m-—"'m'.fll-\b- for Orystal | gy N—; tional Radio Institute (380 Meters), :30 to 7 p.m.—Radlo spark code. WGY = General Eleetric Company, Schenectady, N. Y. (360 Meters— Eastern Standard Time). 12:30 p.m—Stock quotations. p.m.—Base ball scores. Stock quotations. Late news bulletins. lice in Wonderland.” BY RADIO TODAY Complete Programs of Radio Broadcasting Stations. the same set and same instruments| cof 'GP Wires through the hole made 10 Ppm— Treatment ot 'iay|cal selections by Carl Fromholzer, with a loose coupler to take the place ; - ¥ —N v . Mrs. L. Crawford Van Orsdale, o “the ocdinary’ ol You will ‘then| he8Vy paper ground the' coll unt} it|NAA—Naval Radio Station, Radle, Va.| Fever. Charles H. Anderson, Miss Rhoda can be siipped inside the primary tube and “fit snugly. Have two pieces of wood, large enough to form supports for the sec- ondary coil, and place one of these at one end upright of the primary coll, marking a line around it on the' primary. Dip the ends of the brass rods in paint, or rub them with colored chalk and thrust them through the holes in the sec- R S L s Draper and Charles W. Hall. 0 p.m—Special program: Cor- | DI2 i net. harp and violin solos; quartet| 945 to 10 p.m.—Arlington time sig- and duet. Popular airs, vocal solos. . e WVP—United States S, 1 Ce KYW — Westinghouse, Chicago (360 od, Y. (|,45q‘|-;e¢m';,”' Meters — Central .Daylight-Saving ruction-in radio. Time—Same =as Eastern Standard recital. - Time). = 9:25 a.m.—Opening market "quota- tions, Chicago Board of Trade. 10:30 a.m.—Meterological report on 5,950 meters of arc transmitter. Noon and 10 p.m.—Time signal, fol- lowed" by weather report and ship orders. 10:30 p.m.—Naval press news; wave length, 2,650 meters, have a very effective and good double- circuit set. The only additional thing you need make is the loose coupler, and while this is a bit more difficult than the coils already described, it is not really complicated. The primary coil may elther be a tapped coil, like the one described; a coil with finger-like contacts, or & slider coil. In making :50 p.m.- 9 p.m.—Joint WWZ—Wanamaker's, New York ecity. (360 Meters). “01'20 p.m.—Closing market quota- 2:15 pm~News and market report 3 pm.—American and Nationai League base ball team line-ups; prog- ress of games every half hour there- after until thelr close. 4:15 p.m.—News, final market and financial return: :30 p.m.—News, final market and financial returns. 7:15 p.m.—Children's bedtime sto- ries; base ball report. to 9 p.m—Program of music by E. C. Barnes, soprano; Margot Hayes. contralto; Wilfrid Cushing, baritone: Georgine George, Margaret Carlisle and Blanche Bonn, acompanist, and the Standard Ol Band of Whit- ing, Ind. 9 p.m.—News and sports. 9:05 p.m—SBpecial features as an- nounced by radio phone. WJIZ—Westinghouse, (380 S: Newark, N, J. Meters — Eastern Daylight- Time, Deduct Ome Houwr). 9 am.—Agricultural reports and prices as released by New York, New Jersey and federal bureaus; program of music. 10 a.m.—Program of music; Art recital. Noon—Agricultural reports; weath- er forecast: program of music. Due Art recital. 12:15 to 1 p.m—Standard time sig- uals from Arlington. 1 p.m.—Program of musfe. 2 p.m.—Shipping news by the Ma- rine Engineering and Shipping Aze program of musie, p.m.—Program of music. 4 p.m.—Base ball scores; women's fashion news by the Women's Wear Daily, fashion newspaper; program of music. 5 p.m.—Base ball scores: program of music. p.m—Weather foreca tural reports: shipping gram of music. 7 p.m.—"Man in the Moon Stories”: Newark Sunday call; final base ball scores: musi Due 7:30 p.m.—"Making of Watches,"” by John Shedway. 7:45 p.m.—Base ball stories of a humorous variety by Bozeman Bul- ger, arranged by P. L. Atkinson of New York. 7:55 p.m.—"Broadcasting Broad- by Bertha Brainard. 8 p.m.—Recitals by Elizabeth Spen- cer, soprano. and Milan Luch, violin- ist. Final base ball scores. Marine news. 9 p.ni—Recital by Edith Baxter Harper. soprano, accompanied by Mrs. Minnabel Hunt. 1 2 to 11 p.m.—Arlington time signals. 11:01 p.m.—Weather forecast. e Persians believe that on a certain charmed day—a segret which hut few have ever discovered—the rose has u On the Streets Now! 25¢c RATE First Y3 mile Pressed them into aervi.ce before we could tell you about them—the smartest, trim- mest, up-to-date taxis this old town boasts! + Brand new Dodge limousines, spick and span, finely upholstered—they’re going to stay that way, too. Ask the re as as of their good-looking “busses.” . Best of all, each is fitted with an OHMER FARE REGISTER, the last word in An OHMER FARE REGISTER gives the passenger a receipt, a tangible proof of fare .. charge, a check on the chauffeur and his service. Your .. ‘total fare with any extras is on it, also the number of the car and the chauffeur. i Any accidental loss is easily checked : through your OHMER FARE RECEIPT to the /. car and the chauffeur who drove it. In a dozen and one , emergencies it m INVALUABLE. = Bc::u‘re hiafik for your receipt—if not . 0 i O aetingtion wad 1y o e sopet et e o oDt Y Note the Rates: 25c¢ first 13 mile 10c each additional 14 mile NOW LFARN THE PHONE NUMBER : to call the WE ST40| the loose coupler, you should have two tubes, that for the primary about seven inches long and three or three and one-half inches in diameter, and the secondary should be of the same length, though small enough to slip inside the other and leave a gpace of one-quarter inch all around. ‘Wind the primary with bare or 1 sulated copper wire, No. 18 size, star ing and fastening the' ends as d scribed for.the other coils. Mount it upon two uprights, as illustrated. If you use bare wire, which is advisable, wind it on with twine between the turns. If you have used insulated wire, mark two lines with pencil and ruler along the coil from end to end, parallel with the axis of the coil. and about one-quarter inch apart. Mark two more parallel lines one-quarter inch apart at 90 degrees from the first, as shown in the cut. You can determine the point at 90 degrees by drawing two lines across the end of the coil at right angles and cross- ing in the cente: Then, with a red- hot iron or a knife, clean the insula- ing in the center. Each of these will be 90 degrees from the other. Then, with a red-hot iron or a knife, clean the insulation from the wires along the one-quarfer-inch spaces between the pencil marks. If the bared wires are loose or slip, wind twine around the coil between the turns. ‘Winding Coil Dificult. In mounting the coil it may be at- tached to, the uprights by tacks 28 L WWX—Pest Office Departmen 10 a.m.—Weather report for the Continuing this Great Sale of HUNDREDS OF MEN’S FINE SUITS ondary coil ends. While holding the piece of wood in position against the end of the primary, turn the rods and bear upon them untll they have left marks of paint or chalk upon the piece of wood. Clamp this piece to its mate, using the paint or chalk marks as guide. Sealing Wax Used. Bore one-quarter-inch holes through both pleces. Secure the piece to the end of the primary coil and support with the rods, through the holes, using the pencil mark you made as a guide. Then slip the other plece over the opposite ends of the rods and mark around It where it rests on the panel, leaving a space equal to the length of the secondary coil between it and the primary coil e 10 a.m.—Market quotations at one- half-hour intervals until 1 p.m. IRRY KAUFYIN 1:15 to 2:15 p.m.—Music and chil- heart of pure gold. nd. Secure this plece in position. Then slip out the rods, draw the secondary from the primary and remove the paper wrapping. Slip the rods back through the supports and the end disks of the coil. Cut them off so they will not come quite to the sur- face of the supports and secure them by filling the space between their ends and the surface of the wood with sealing wax, as illustrated. Place a multiple point switch on the support. Lead the wires from the secondary eoil to the points-as shown. For the next step make the sliders and slider rods for the pri- mary.. If the coil is wound with bare wire it will make no difference as Men's Summer Suits, including mohair, kool kloth and feather- weight fabrics that will keep you cool this summer. Every desir- able color in light, medium and dark shades is here and they are marvelous values. Sizes 33 to'42. 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