New Britain Herald Newspaper, April 14, 1924, Page 14

TUNED RADIO-AUDIO | OSCILLATION PROOF .- This Week's Hook-Up of Three Tube Set for Amatenrs | BY ISRAEL KLEIN NEA vice Radio Editor, | Radio fre ney amplification is no proof against iocal lation. DBut tuned radio frequency is—and even | this to a certain extent, ! Yor a good *hree-tube set, with a stage of radio and one of audio fre- quency ampliftation, ore, it is advisable to us tuned inductance | rather than a radio-frequency trans- former in the plate of the first tube end a similar inductance in the acrial circuit. s is the principh week's hook-up is based. To in- re further against any possibl squeals or howls, a protentiometer is pdaced across the filament circuit of osc! o r D upon which | the same wire, lcter and 4 ldmmr One No. l,um sincle circuit phone jack. 14 copper wire for Cost Is Low. s, excluding tubes, batteries and loud speaker, should not cost more than $20. The two fixed couplers in the ac and in the first tube's plate circuit are | ¢ like. They can be made as follows On a tube inches 2 DCC by No. high, wire, the same way, on an- of slightly larger diam- es long. Fit the smali- er winding into the larger tube by braces or screws, s0 as to kcep them in permanent relationship to cach cther, Repoat tance, The connections shown in the be as she The best ductances condenser by be taken that at right angl Thirteen-plate been found of best wind 15 turns of cther tube this with the other induc- made as | They as possible, 1o coinect these in- to attach ecach to i a brace. Ca the inductances to each othe cofdens: advantage way is are have in t SET DESCRIBED the radio-amplifying tube, The re- sult is a stable, radio-audio fre- quency -mpllnu-r with practically no 10se in selectivityand volume, The parts of this set include: Two fixed couplers of 1 to 4 ratio, Two variable condensers, 13-plate, One audio-frequency “transformer, 4 to 1 ratio, Two 6-ohm rheostats, One 400-0hm potentiometer, | 'Three tube sockets, One variable leak and con-| Vi // J/ 7 [ around |is us2d for both radio and | plifying look up. Their capacity would be 00025 mtd, Double Duty, One rheostat of 6 ohms resistance audio am- similar rheo- detector a for tubes, and is employed the stat tube, The grid leak should vary between ;1 and 2 mepohms and the grid con- denser should of about 0005 mfd, The regular round No, have a capacity 11 copper By Roy Grove Let us replace them for the last time Stop renewing your guttersandconductor pipesevery few years. Let us install some | that will last a life- time. We carry them made from Horse Head Rolled Zinc. | After we put them | on your buildings you can forget them —absolutely. Thomas F. Fitzpatrick & Co. 189 Park Street Telephone 1435-2 pe—" § 5| should | connee- | the squar NEW BRITAIN DAILY HERALD, MONDAY, wire is advised for the Jeads, insmnd of the re (Llngu\qr bus yire, because | iges of the bus wire are | conducive to radiating losses. Wind 60 turns of | should | set This set is best adapted to the use | of UV-200 tube for detector and UV~ 201-A tubes for the amplifiers, The phone jack and the primary | of the second radio frequency induc- | tance may be connected to the posi- | tive of a 45-volt B battery, although | this may be increased to 67 1-2 or | 1 3 1-2 inches in diameter | even 90 volts, if more volume is de- | sired. With the increase in volume, it must be remembered, there comes a sacrifice in selectivity, i The tuning of the set depends al- most wholly on the two con"l'n.,f‘rs whose higher efficiegey wi found at almost similar rfiudmgx. Lut the potentiometer comes in for extremely careful adjustment, the moment a squeal is heard in the phones, Once this is taken care of, "O\\('4|‘ it will be found t the \V.H work well without further { adjustmen | matte { Ing an address Satgir: [ | City, | Coates !were on the Jear he was driving when he met the | | | [ { | | KDKA, | Breadcast reception, | | |ola. PINCHOT NAMED HENEY gesting Prancis J. Heney as Senate Counsel in Investigation, i i Pa., April 14.—Gov-| ernor 1'inc Imits that he suggest- | ed Francis J. Heney as counsel for the investigating inter- | The made the sugges- Harrichurg, scnate committe ual rovenue bureau, governor | raid last nig crsation with Ssna- regarding tion dtiring a ¢ tor Couz enforcement nn “personal pury hut t what he was to “get the law enforced.” Governor Pinchot declared Senator Watson in his re il dur- ¥ to prohibition “overshot himself,” | ing, law-! . resent the United States senator | sing that he does not | expect the constitution to be obeyed.™ The governor said it was “high ) time to put an cnd to the corruption | and inefficiency which exist in the | leral enforcement sory He add- | nee that service will not en- , the people are optitled reason why," wa that | enforeement had and that abiding Heve Amer POLICE CHIEF KILLED flubert Coates Kmowin as Itincrant Gambler Said to Have Shot Ilul‘ | springs City Oficial, Hot Springs. Ark., April 14,-=Oscar Sullivan, chief of police, was shot ! and killed last night and the police | early today arresicd Hubert Coates, | known as an itinerant gambler whose residence is divided between Kansas Hot Springs, P'ine Bluft and other sections, Chief Sullivan is said te have told not to gambie or he would Nim ont of town. Few persons street when the men and no eye witnesscs have been Coates eseaped in the motor i run met, found. ehief, SBullivan had been chief of police | n here eight years, and was years Coates gave himself up A few shooting. d | houes after the HECKLING BY RADIO! l Heekling done by radie! 1t's pos- wible, the was cratic heekling in - an anditorinm, tried recently meeting In Kansas City, the speeches were Dbroadcast, “heckier” attached an oscillator an antenna and so “hashed up” program as to make its reception un- intelligible, when | to ! the | ONLE -Tl BE l'llt( (lnl" The London, Kmg., owner of a one. tube receiving set with an indoor serial of only 20 fest reports ha heard Pittshurgh, recently. His originally built for lotal | he rays, set was CHAMP AK ARTIST Vourteen freak radio sets iz the record accomplishment of 13-year-0ld Wilhur Wetlin of Chicago. He had a set in his mother's vanity case, an- | other in a powder box, and a peneil and two fountain pen caps were re. ceptacles for three others, Other pieces of “junk” included the rest of his sets—all in working order. AERIAL MUST BE TAUGHT While the antenna is loose and aways in the wind you cannot expect to get good reception. The best way to keep it taut and yete prevent it from snapping is to hold it to the masts Ly a pullay and heavy weight arrangement, DANISH PLAN FAILS for voluntary Subsecriptions from fans, dealers and manufacturers for the support of a hroadeasting station in Denmark has failed because of lack of sufficlent contributions, plan is interesting to American fans and broadcasters, due to offorts being made here to solie the same problem A plan The |'|\T\\1 I\TI l'“l Rl NCE Amateurs in the New York district | have received a complaint from their brother “hams” in Calitornia and Oregon against their transmission, The western amatéurs say th erners have been interfering their local work. BARRIERS NO BARRIERS! | atural barriers in the Yosemite | ‘alley proved to be no barrier at all In the reception of radio messages ! cently. Kenneth Hughes, radio ex- perimenter, reports he was able to receive messages although In a valle 2,000 to 5,000 feet deep. RADIO \0’"’.8 There are 36 broadcasting stations lin Canada . In 1923 alone, about $24,000,000 was spent for vacunm tubes. Bureau of Standards is transmit- ting special signals of standard fre- quency about twice a month. First licenses for broadcasting sta- | tions in the United States were issued | in September, 1321, Commercial spark Sations, send- ing in 450 meters, are blamed for much of the intérference met with by broadcast listencrs, | was announced. | Pennsyhania Governop Admits Sug- | ¢ Woman asked for a cup o i doctor's body follows: 'had sold her, | Mrs. Willis entered a closet to get her | | hat and coat, and while there obtained she | fore [ tioning. Webster and office supplies, o nual luneheon of the Assoclated Press, Tuesday, [ by WG | mately { president of the Assoclated Press, will guage,” but it's a greater nuisanee than | livered in ol 1t | from Moscow and heard as during a demo- | 5,000 miles off, | APRIL 14, 1924, TROLLEY RUNS WILD Hurt When SLAYS DOCTOR AND THEN HIDES BODY Los Angeles Woman Confesses to Gruesome Crime Eight Are Glens Falls Car mps Track, Skids Down Hill and Hits Church. ilens Falls, N. Y., April 14,.—Eight ywere hurt when a Hudson {railway trolley car ran wild down a il in Mechaniesville yesterday morn- ing and was brought to a stop after | jumped the rails, mounted a sid and crashed into the side of & it Los Angeles, April 14.—Mrs. Mar- . walk garet B. Willis, real estate dealer, for- {stone church. The most seriously in- i Dominick of Ballston, Spa., who {was internally injured. Both were taken to t [told police here yesterday, they said, that she had shot and kilied Dr, Ben- jamin Baldwin, Los Angéles physician, formerly of St. Louis; kept his body in a trunk in her home for two days and then hurled it over an (-mhnnl'bi ment north of there, | Mre. Willis, a middle-aged woman, calked into the police station here and told of the killing voluntarily, it SUFFIELD SCHOOL DANCE The annual Suffield dance, this year is to be held Wednesday night at the Burritt hotel will prob- ably be one of the best lie long series of annual dances held by that school, Armand Landino of this city, chairman of the committce charge believes, Mr, sisted by the -following Thomas MeCabe of this Twelvetrees of New Yorl ley Ritmeyer of Bristol, To Body poiic Leads Them her confession, said, coffee. spot Fran- d, th After committee; Refreshed, she led officers to s city, Clark in the state highway near Sa ciseo, a suburb, where, it i was found 1f- dewn the embankment, partly trading from a wardrobe trunk Mrs, Willis identified the body, ac- cording to detectives, with the re- mark . that's him.” Mrs. Willis' confession, according j to poliee records, is substantially as' H[NT ON GOVT BU"GET 1 il!rilhll People Sald o be Likely to 5 pro- nan of cchanalian zed to pl colors, dominat Naugatuck. orchest black orange, will in the color scheme, pre- Says He Insuited Her Raldwin went to her apartment morning, ostensibly 1 drive an automobile he | He was intoxicated and she said. br. Iriday ch her to see Reduction on Taxation on all Toodstufls, . imade improper alvances, London, April 14.—An intimation of government’s budget pluns oughbors | the labor {was given in a speech at 1 ough :ast night by Albert Vi of the board ¢ red that the British likely to gee a reduction the taxation on foodstuffs.” The icaed to be to the duty on NII and sugar Jack Jonee, ) vertown, ina *h at Covent dicted a great struggle in parliament the budget, 1o conservatives ace preparin ofier vigorous opposition to the crnment on the tarift issue on account trunk over the embankment,” driving | of the recent announcement of the jater to the police station, according |lapsing of a seaion in the safeguard- 1o her confession. ling of industries act, while everybody Webster denied he had any part in | iz vreparing for an announcement of a {the slaying or knew what was in the | lapsing of the McKenna du- trunk, He was=held for further gue ti which include 3 per cent tax Mre. Wihiis #aid she told | on motor cars, pianos, watches, cte, the trunk contained books a revolver, The doctor to heed her ing not 1o make further advances , Mre, Willis said, she shot him. be placed his body in a trunk, which she moved into an adioining ! room, rented by Bert . Webster, a | forest ranger, With Webster's assistance the nest v she removed the trunk to her omobile and began driving about, told police, Webster Makes Denial It was $ o'clock this merning be- they stopped and hurled the | refused or member an 10 and incidentally carry imperfal pref- | erenee, RADIO SUPERSTITION superstition is going the through the farm- Europe, It is th | beliet that radio is responsible for {thunder and lightning, The result is an opposition to the growth of radio |in Burope, SOAKS RIGHT IN AND LINBERS UP STIFF JONTS PRESIDENT'S ADDRESS The address of President Calvin oolidge to be delivered at the an- A new rounds espec ing population of 22, will be bromdeast chenectady broadcast- will be April ) the S & station. The luncheon hold in the main ball room of the | Waldorf Astoria hotel, | which the Schenectady | connected by New York, to! tation will he special circuits, The broadeasting will start at approxi- | 1:45 9. m. I'rank B. Noyes, 1m0 speak. ESPERANTO PROGRAM 12npl»rnnlo. the “international lan- is being used for broadcast- ng programs out of some statione, | Reeently & lecture and songs were de- eranto and broadeast | far SUK, swollen, inflamed, rheum joints should be treated with a reme made for just that purpose only, Remember the name of this discove | *hy I8 Joint-Lase and it will take out |the agony, reduce the { imber up any troubled joint after ore |dinary eurcealls have miscrably falled. Just rub it on—6he a tube al | all druggists—-ask for Joint-Kage. Removal Notice Tomorrow evening. April 15th, we will open our new and en larged store at 74 Fim St, near corner of Chestnut St. SERVICE AND QUALITY will vontinue to be our motto, % DISCOUNT on parts and accessories, our opening WE ARLE FEATURING the Tresco Lang Distance Tube Set complete at the special price of $37.50 RADIO Equipment House Now Located at 250 MAIN ST, Booths Block SHEARING 1S 131 TUSKA SETS $35 $75 $12¢ WILLARD RADIO BATTERIES $8.90 up BRANDLS TABLE 88.00 PHONES—$1.00 for TALKERS «LoBr SIMMONS STORAGE BATTERY CO. 163 ARCH ST, Phone 2215 We feature the Neutrodyne Set. perience in this field can acconplish, Consulting service on sets of any make at all times. Complete stock of parts. JOHN T. Formerly Radio Operator With Marconi Wireless Co. and U. S, Quartermaster Department 141 MAIN STREET Valley | which | attended of-| Landino is as- | INVENTIONS SOUGH Preparatory to the first world ra- dio show next September, radio au- making an extensie SET FOR CONVENTION { A $12,000 loud speaker is to be| placed in and outside of the Cleveland auditorium during the coming repub- | thorities are lican convention. It has been leas¢d mmrch for unknown Wireless inven- | by the national committée’ for use|tlons of all sorts. At thé same time | during the convention, and an option | they are planning important experl- on its purchasc thercafter has been | meénts and tests er new radio inven- | offered to the city. ' tions and theoriés. EVENING AT HOME WITH THE LISTENER IN (By Courtesy of and Copyright 1924 By Radio Digest Publishing Co.) (SEE INSTRUCTIONS FOR USE BELOW) | Mouday | Tuesdsy ] 12:00- 1:00) Station and City Ay CKCD, Vacouver, B. 0:30-11: CKY, an. Bileat Silent, WAV Cotemb umbus, Wez dpnin :41)1 . ~ewo=Sel 8333 3 S833sIRE 83 Ve nA'M-‘F wark, N0 ton City, Mo. orgh? Instructions for UsemAll the hours ohore are Time, Fasters, 7iue, add one howr €9 euch of ubtract one howr ; if faite retades only the evcaing by 1] you~ !mn in Central taw lie perio Il!ll"‘l’yll'rfll waea Moun act teo hours. This e eity wies Pacigie 7' doasts, ond, on @undey, (N6 {alp cjternosm program. g g "L."-.-Tw‘ ) Radlo Batteries 319 I 'fl'flp. 23 See Us Before You Buy O'NEILTIRE :BATTERY GO, Always remember when Joint.Base | A5 | gets in jolnt agony gets out—Quick, | 39-43 WASHINGTON STREET EL. 900 RADIOLAS Also A Complete Stock of Radio Parts: - THE Spring & Buckley ELECTRIC CO. swelling add | 78-81 CHURCH ST, 2240 -. Anrf Afl".fénw ce Sets constructed to your order with accuracy that only our years of commercial ex- CROSBY UP ONE FLIGHT