Casper Daily Tribune Newspaper, January 25, 1925, Page 9

SUNDAY, JANUARY 25, 1925. Benefits of Advertismg By Radio Big Victrola and Brunswick Companies Show Good Results . By J. C. ROYLE. Copyright, 1925, Casper Tribune. ~NEW YORK, Jan. 24.—Advertis- ing 1s the answer. That is the rea- son sales of records by the Victrola company at present are running as heavy for a week as they have for any month last year. This improve- ment followed thé radio broadcast- ing of programs last week by Vic: trola artists. The Brunswick- Balke Collander company, which also put selections by stars* on the air, has achieved somewhat similar results, ‘These programs last week brought in between 400,000 and 500,000 let- ters from dealers and lsteners to stations WJZ and WEAF whenever the programs were broadcast. If was necessary to put on additional postal clerks temporarily in some cities throughout the eastern section of the country to care for this vol- ume of mail. It is not alone the volume of pub- Melty given the artists on the air which produced the added Volume of business to the phonograph com- panes. Each of them used neys- paper advertising extensively in an- nouneing their programs through- out the territory covered by the sending stations. The papers, in their turn, undoubtedly have alded materially through daily publication of radio programs. In each case, by working together, the interests involved—radio, _ phonograph and newspaper—have aided each other. The phonograph industry was more dangerously. threatened by radio than any other, yet instead of attempting the almost hopeless task of stemming the radio advance, the phonograph interests decided to adapt this development to their own use. Tae majority of the theater managers still are opposed to the broadcasting of performances by art: ists under their control, in spite of the experiences of the phonograph companies. Yet their claims that the lecitimate thenter has been dam- aged by radio do not seem well sub- stantiated here, at Icast so far as the theatrical successes are con- cerned. Attempts were made in vain to purchase tickets for reoent week day performances of any one of sev- en successes. Seats could not be had, either at the box offices or from the more prominent ticket agencies. In connection with theater ticket prices, New York theaters are prov- ing repeatedly that there is no easy mark-like the one from a big town ‘One musical show recently chars- ed $11 a seat for tts opening New ‘York performance and turned: hun- dreds away. For succeeding per- formances, it has packed th: the- ater at $4.40 2 seat. Yet this same show played a whole week in Brook- lyn to half filted houses just before the New York opening, with the pest seats in the house priced at 2.50. The Brooklyn theater is but 15 minutes ride from the New York theater where the show now is play- ing. be Tadlo and phonograph manufac: turers are preparing to protest to the Interstate Commerce Commis: sion against an increase in rates on radio equipment of which they have been notified by the official classifi- cation committee of the railroads. 'The new rates affect shipments of less than car lots and car lots of less than 20,000 pounds and would mean an added expense of about $8. 000,000 a year, manufacturers. est!- mate. fe shippers claim that a full car of any other radio equip- ment than batteries would fail to welgh 20,000 pounds. Crosley Planning New Radio Beauty Contest in Month The second annual Crosley W. lL. W. Dolly Varden beauty contest will held Saturday night, February 14, which is Valentine night. It wil be started at elght o'clock. Mar radio fans will recall the great inter est shown in the former contest, in which the audience voted for the most beautiful girl. ‘This year’s con test promises to be even more inter: | esting than the last one, due to the) fact that ,everyone voting by tele gram will receive a box of choco- lates while the contestants will share in the $500.00 cash prizes: $300 to the winner; $100 to the second and $50 each to the third and fourth. Methodist Service Will Be Broadcast From Mooseheart MOOBEHEART, Il, Jan. 24.— Method!st Episcopal church services will be broadcast from the Wtrst M. &. church at Aurora, through Sta- yon WJJD (802.8 meters) at Moose heart, on Sunday morning, January 25, beginning at 10:80 o'clock. Tit service will be in charge of the Rey. Charles J. Bready, pastor. His ser- mon-subject will be The Philosophy of an Optimist." By way of introducing the Rev, Mr. Bready we will say that he Is one of the leaders.of church work in this community, although a Young pastor. He has been pastor of the First M.E. thurch at Aurora for 10 years, which is about thrice As long as the average pastor of a M. E. chureh serves in one place: The reason for his long tenuré ts due to demands from members of his church made to the Rock River conference of his denomination. \ O&he Casner Suntan (Tribune How to Care for Storage Battery As the namo implios, » storage battery is a storehouse of elec- tricity where this form of energy can be kept for future delivery. The | difference Yotwuen a‘storage battery and a dry battery is essentially in that the intwr, like a non-refillable bottle, once emptied is useless, The plates of most storage batteries are made of lead, with a mixturo of antimony. Attached to’ the plates is a paste, or active Vane saat er cb are ach ee Shemikpt action necessary to produce | je curren paste is forced into squares ou | ux is he'd firmfy in place. es SORE OE Mig! Bate A vumber of thse plates are| battery disconnected from the tube grouped, Ike the “lates of a vari-| filaments, Three cells produce six able condenser, one groin being the | volts, On duty the average voltage | Positive side and ce other group} is about two, and falls to gbout tho negative side 3° tho battery, | 1.75 volts when discharged. A® this and thty are msshe2, with an in-| voltage the battery should be again | | MUZE, [How to Build the New Four-Tube Filter Tuner Instructions Telling the Beginner How + to Place Every and Make Proper Connections. By J. F.J The four-tube Filter Tuner fs m of bakelite or hard rubber. connections from the aerial to Proceeding from the left we shall follow the Part in the Set MAHER. ounted on a twenty-four inch panel the output jack for the loud-apeaker. Number oné post going to “A” fs the aerial, which 1s the upper terminal of the primary, and number two is the lower primary lead golng to the ground, both being connected in the back of the set. Number three is the lower terminal of the secondary, connecting to the stator of the eleven plate variable condenser and to the grid post of the amplifier Bulating separator *%etwoen them. The separators ray be of thin wood or porous rubber. SUSPENDED IN S®LUTION. The plates are suspende+ fs a solution of su:phuric acid and dis- Ulled water, whiad is known as the placed on charge. The voltage! doos not depend upon the size of the cell, as a storage battery the size of a thimble will deliver the same voltage as one of normal elze, The capactty or amperage rating of the battery is determined, | however, by its size. socket, socket closer to the secondary than Terminal number four on first coll is connected to the rotor post of the variable condenser and also to the negative terminal of the “A” battery which, in this case, is on the right side of the rheostat. This connection may be shortened somewhat ,by moving the the+ it is shown in the drawing. unused parts of the coll are elimi- nated, No connection {s shown for the negative cide of the “B” battery be- RATING OF BATTERY. — | Tho six-volt type storage battery, used for heating the filaments tf the vacuum tubes, is made up of Shree cells connected in reries. Tho battery is rated in ampere-| hours, which means its ability to{ doliver a certain number of amperes | per hour. A battery rated s: one/ hunfred ampere hours will deliver| ove ampere for one hundred hours, | which means that it wil! light four | 2M-A tubes for this period; or it} wil deliver five amperes for twenty hours, which means taat it will light twenty tubes for this | perlod: Best service can be obtained from a storage. battery by keeping | {t in active work, and frequently | charged.- Wien a battery remains | idle long it becomes ‘rusty,’ the | Plates becoming sulphated, which iy @ filling of the plate pores, stop-| ping circulation of the electrolyte. The discharge rate of the battery | Wativ Revel Keep the efactrolyv well nbove +h¢ plates as shown} here 2nd ad@ only distilled) tvace> when ft is low. tlectiyte. The nemntive ylates Are ev the outale, so that “here is alwsys O10 WOO Baertioe than Der cent of its capacity, and the samo figure shoul be observed in} charging, otherwise occur from absorption by “pe cause it is connected to the posi- The post marked “P” on the am-|¢ Ayre: plifier sqcket makes three connec-|1V® terminal of ihe “A” battery tions, one to the end cf the forty Meee iene ene Me ee {urn plate coll, one to the switch! tne forty-tive volt tap of the “B” 1 i ie act enleal ete fable | Dattery to the radio-frequency am- eft hand terminal of the variable) piitier, because the detector needs resistance. COIL 18 TAPPED, ~ The plate coil is tapped also at the has twenty-three plates, or a ca- only twenty-two and the amplifier takee ninety yolts. The second variable condenser age the twentieth turn and at re fortieth, the former going to the Pacity of .0005 microfarads. The middle switch tap, and the Iatter|rotor of this un{t:1s connected to to the switch arm and al#o to the | Dost number three of the filter coll, number one terminal of the Filter 2nd its stator connects to post num- Tuner primary. Number two of|ber five, which is the upper term!- this primary connects to the post/Dal of the other filter coll. Filter throughout, four rheostats will be used to twenty ohms each. Thirty ohm rheostats are needed for 199 type, and six ohms for 11 and 12 type tubes. The audio-frequency amplifiers may be controlled with one rheostat which, in this case, will need but half the resistance required for one tube. The audio-frequency transformers should be five-to-one ratio in the first stage and three-and-one-halt to one in the second. types of transformers may work efficiently with thesame ratio in each stage The four-tube Filter Tuner, with one stage of radio-frequency ampli- fication, can be assembled with the following parts: One twenty-four-Inoh hard rubber or bakelite panel, One variadie condenser, microfarads capacity. Two variable condensers, .00025 microfarads capacity. Four rheostats, Two variable resistances, one- thousand to one hundred thousand ohms resistance range. One rotary switch with three taps, Four sockets Two audlo-frequency! trans- formers. One grid-leak and condenser unit. 0005 marked “45-B,” which is the am-|terminal number ‘four connects to | plifier battery, and also connects|flxed condenser “C-2," and to post to right-hand terminal of the vari-| umber six, which is the lower ter- able resistance. This connection |™inal of the coll. completes the wining of the radio. CONNECTING THE TERMINALS frequency amplifier, Terminals five and six of this It 1s fven that the plate current | ¢oil also connect to the second vari- Hows sets arate ate: able resistance, which is the same oading’ co! o the Filter Tuner v! primary and that the switch serves | **,t1° ,{irst, having a resistance to short circuit the turna not in one-hundred thousand ohms. use, By connecting the switch in! minal fiy. > this way the losses that would Ter ‘© connects to the “P” post of the detector socket, and six goes Two fixed condens: one of .001 and one of .002 MF capacity. Two double-clrcult phone Jacks, One single circult phone Jack. One forty-turn loading coll, The close of the first quarter of Broadcasting Is! International PAGE NIN | the twentfeth century is marked "7 a period of great achlevement in radio broadcasting as devolopments | have gone forward at a great rate. With the adjunct of the atxwt wave repeating, the range has been so extended that almst amy corner of the globe cam be reached. The use of carrier curiont telt- phone systems has proved thetr reliability in dispatching service for | large power systems. Vacuum tubes have been built in sizes biterto undreamed. ay However, some | On December 81, 1928, radio re- peating on short waves received an international impetus when a New Year's message was picked up in England and re- peated through all the stations operated by the British Broadcast- ing Company. During the year many variations of the short wave | repeating theme have been carried out successfully. On some pccasions KDKA has feupplied the same programme to KFKX at Hastings, the seven Brit- j ish stations and KGO at San Fran- cisco simultaneously, To further |radio progress, a radio export- gpental building was erected on a bill overlooking East Pittsburgh and transmitting started in the jearly Fall. In this building is socated the short wave apparatus and eventually it will contain all the KDKA transmitting equipment. From this station signals have been broadcast points as far dis- tant as South Africa. Some outstanding radio events of last year are as follows: the Massachusetts Institute of Tech- nology Alumn{! wa8 broadcast to world. Wire connection was uscd from KDKA | On March 7, 1924, the banquet of | the English speaking people of the| wound on three-inch bakelite tube, between the banquet hall and sta- with twenty gage double cotton /tions WJZ and WGY, whose signals covered magnet wire. {were picked up by station KDKA One Filter Tuner Inductance unlit. | and relayed to station KFKX and One aerial coupler, primary twen-| station KGO, Callfornia, and was ty-flve turns, condary of sixty) also relayed to the British Broad- of twenty gage wire, on casting Company, who in turn inch tube, > broadcasted it to the British Isles. HOW TO SELECT CONDENSER positive plata in evory battery To put tbe batter, in operations “he plates aro formed, whic’ scnrtate in paesing d*ect current through them fnr many hours During the forming process the positivo plates turn dark brown, and the negative plates gray. MIXING/THE EOLUTION, In mixing the solution for the electrolyte the acid is poured slow- Ww tnio the water, using a non- meta'tic container, Roughly, the yet'o fs one part of acid to four parts of water, but the precise salves must be determined by a bydrometer, which is an instru- ment for testing the specific gravity, or density of the solution. The gravity is specified by the manufacturer, and varies according to the type of battery. When charged, the battery gravity read- {ng on the hydrometer should be between 1.275 and 1.290, and when discharged it is between 1.115 and 1,130 specific gravity. The reason for the change in the gravity is in the passing of the acid from the water into the pla during dis charge of the battery. DELIVERS TWO VOLTS. ‘The voltage of a single storage coll ranges between 2.06 and 2.14 volts when completely charged, and tested with a voltmeter with the Need Service Stations Radio service stations are soon to become as common as radio deaiers. Almost every dealer is preyared to make minor adjust- ments and replacements on the seta he sells. Misuse, accident, and lack of knowedge of what he ¥e doing cause the radio fan to run muck now and then. The radio jealer rushes to the scene with his screwdriver and tape, just as the automobile service car rushes to the site of the breakdown, and in 4 few minutes the act is in opera- Gon again. Since serving at the Aurora church he has had a number of tempting of- fers, and as a result of increases in pay following these lures, he is one of the highest salaried pastors of the M. B. church. The service will be augmented by selections on one of the largest tise organs in this section, to be presided r by Miss Clara Wilson, as well as an excellent choir, of which Mre. Christine Nelson Dreygr is the lead ing soloist. FOR CORRECT CAPACITY | Correct size and capacity are the first things to be determined in the selection of a variable condenser. Radio fans insist on rating | these condensers by the number of plates, which is wrong, as they ate! oroperly rated by microfarads, which is the standard fixed by engt| neers. The .00025 mfd. condenser usually has eleven plates, and the | 0005 mfd., twenty-three plates, and the .001 mfd., forty-three plates, and when reference {s made to'a twenty-three plate condenser, the capacity is assumed to be .0005 mfd. The capacity of a condenser, however, is dependent on the size of the plates and the distance they | are separated from one another, and it ts possible to have practically any capacity that is desired with a fixed number of plates. A two-plate condenser could be constructed so as to have a of .005 mfd. Tt is best to call for the sizey — ~ condenser by {ts capacity, rather) the than the number of plates that it uses, and to observe the manufac- turer's capacity rating on the box in which the condenser {!s ocon- tuined. Many of tho cheaper makes a of condensers, rated by the. num- ampered " ¢ ber of plates, rather than the ca-| plates may be thrown out of align. pacity in microfarads, may be con-| ment and the capacity of the con-| elderably psec less than what| denser changed they are thought to be. | f The correct size to use depbndr | HOW TO MOUNT DIAL. on the wavelength band to be Use care in mounting the ap) gorered ey the Nac! eee induc: | paratus on the panel so as not to) tance that 1s used in the set. astra fallacy {a that “If a twenty-three force any part of the condenser, plate condenser will work, then a|!f !t will not go on easily redrill) forty-three plate condenser should the panel or enlarge the holes be much meets paces it 1288 | drilled until it can be more plates.” In @ receiver where » Moht : the entire waveletetii tend can | cafity Tighten up the be covered with a .0005 mfd, con-| Screw or nut until the com bear! The insulation de} tween the rotor and stator should be of the best, and as littla sible of it used | are usually ca a) efully ve face movhted mounting enser |connection on the right. denser, the exchange for a forty- three plate condenser will accom-| plish nothing, but crowd all of thet stations together on the lower half! of the condenser dial. The in creased capacity will tune the re. celver above the broadcast wave- bands, where nothing but commer cial code will be heard. fs rigid $n the panel. In Tixing the dl on of the pane] first place the plates all the way in betwe ] stator plates. Move the dial untii it reads 100 on the marker panel and then fasten screw, The. dial reading y he front n the on 1 now read zero when t use. In service little attention be pald to the condenser than to clean out dust collect between tha pl An or dinary pipe cleaver accomplishes this well and should be used fre quently, SHOULD BE CLEAN CUT. ay sc aed The workmanship and material | thould receive consideration. Run your finger over the edges of the plates to see that no sharp burr trom the manufacturing process remains, The rotor shaft shonla turn freely, yet be without play in need other may that oO! life on morallt from the world the poesibifity of continuing Immortality To Be Subject of Sermon great Iitera , courage, prog tion without a. t ity; the effect of t death ends all 1 mystery and f t aught tha relation repre The great question of the of immortality to every day ody, how | be the subject of the sermon this} will matter-a | evening 4t the First Presbyterian | now What we vi tabernacle, A synopsis includes | will begin o will rth ui num tion accompinic bers by the choir Lamong others the following toples— The effect of tho belief in a future to the outside terminal of the first double circuit phone jack. The secondary connections are shown in terminals number seven and eight, the former connecting to “C-1," which is the grid condenser of 00025 microfarads capacity. The two-megohm tubular grid-leak is connected across this condensef. Number seven connects to the posi- tive terminal of the “A” battery which goes to the socket filament The sec- ondary terminal number seven {s on the lower side of this coll, which is) the high-potential end and always goes to the grid An eleven plate variable con- denser of .00025 microfarads capac- ity is connected across the second- ary, with the stator going to’ post seven and the rotor to the filament. If M-A type tubes are used Socket Must Be Made of Good Insulation The vacuum tu be carefully scrutinized, for {t {8 at this point ‘that the plate and ‘grid jwires and filament leads come close to each other. If the socket {s made of poor insulating material these currents will leak across the base between the binding posts, and become lost. Do not accept a socket made of material that can be easily cut with a knife, or will leave a black mark when rubbed across a plece of white paper, Matertfal that will do this has lampblack in {t, which is a poor insulating substance. As « rule this class of material will melt under the heat of a soldering frou. KGO Increases Power KGO, the Oakland station, has been authorized by the Depart- ment of Commerce to increase its power to 1,500 watts, under the special arrangement which pro-| vides. that interference is not caused. This station may, if con ditions remain the same, increase {ts power in steps of 500 watts to| a maximum of 5,000 watts. KGO} {fs the sixth Unite! States broad- caster to try out increased power f 1,500 watts, Ten binding posts. RECEIVERS NOW SIMPLER THAN This was the first time extensive radio Interconnection hsd been at tempted in connection with radio broadcasting. On March 14, 1924, station KDKA gave its first concert entirely in Spanish for the benefit of the Span ish speaking people of the West Indies, Mexico, Central and South America, The programme wns ro- layed by station KFKX an¢ also by a station in Buenos Aires, Argen- tine. This was so successfulthat several other Spanish programmes have been broadcasted during the year. May 2, 1924, General John @&. Delafield’s address on “National Preparedness” was transmitted by wire to WGY, picked up by KDKA and relayed to KFKX. In June, 1924, stations broadcast both the Republican and the Democratic National Conventions. July 4th to September 22nd, they carried on short wave communica tions with Captain McMillan’s re- | lef expedition on the Canadian | Government ship “Arctic.” During | the same perfod, constant communi- | cation was also maintained on short wave length with the Hudson Bay ships “Nascople” and ‘“Bayeskimo.” At the time of the Wills-Firpo fight at Boyle’s Thirty Acres, Ho- |boken, N. J., the Buenos Aires daily paper, La Nacion, had an an- nouncer at the ringside who broad- casied the entire fight, blow by blow, to his paper by the uso of station KDKA, : Must Have Good Phones for Single Tube If a single tube recelver is used socket should] THOSE OF THREE YEARS AGO {t fs essential that a sensitive pair he of head phones be used. There are |at present so many varieties of Since the advent of radio broadcasting there has been a remarkable | head phones on the market that change in the design of radto receivers. Three years ago when music| igen 4 and speech begen to float through the ether upon a wholsale scale, the 4 2 majority of receivers available were crude adaptations of existing] jit wy ease Et Amat Bal radio telegraph apparatus. They were itenrified chiefly by the numer-|compare your own recelvers with ous switches and switchpoints which adorned their panels. & pair of standard design belonging : A change came two years ago with the introduction of the neutro- tt Wille Teasing eae yne system by Professor lL. A. Hazeltine, of Stevens Institute of | faint station. If phones are used Technology. In this new system there were no switches, The coils|after a stage of amplification were designed to cover only the actual broadcast wave length range,| ot so (mportant that they be and tuning was left entirely to variable condensers, Aside from the|*!t!¥e- revolutionary character of the system, the elimination of switches and| other utinecessary adjusting apparatus took away a tremendous source How to Make a Secret ot inefficlency and power waste from recelving sets, It founded a new Filament Switch A single circuit jack may be fashion and started the so-called “low-loss” vogue | ——————— | made into a filament current switch Besides these changes in design, the system opened up the dormant by providing it with a plug with possibilities of tuned radio frequen-| One consists of the employment of|{ts terminals connected topeiners cy amplification which all radio{® potentiometer to control the|py inserting the plug, the filaments enginecrs had agreed was sound in| 8tids of the tubes. may be lighted, and by withdrawing principle. This conviction is based| Another method {s to use small|it they will be extinguished. By on the fact that the high fre-| primaries, so that the transfer of|lining the jack up with the de quency currents were amplified at | energy is too weak toause oscilla- tector on amplifier Jacks you have their natural wave length, or, in/ tion when resonance fs reached,|a secret switch which no one who i sen- other words {t was not necessary|In such sets five tubes are doing|did not know the trick coujd to resort to any trick to obtain| the work of three. fathom. It might be the means efficlent amplification. In the of saving some perfectly good Super-Heterodyne, Major E. H. tubes, Armstrong in 1918 employed the heterodyne system to, change the frequency of the incoming signal to a point where it could be handled with the form of amplifiers that . Answer to Puzzle All Batteries Perform of Last Sunday the Same Duties existed at that time. The advantages of tuned radio frequency amplification are mani incorporated to overcome the herent disndvantages, Chief of the latter is the strong tendency to oscillate, due to capacity coupling fold, 4f proper arrangements are | The purpose of a battery ts te | deliver direct electrical current ut- | der pressure of a definite number | of volts. It makes no difference whother the battery is a dry cell or | of the storage type, providing it is | large enough. The most elabora set could be operated by dry cella, through the electrodes of the | but they would not last long enough vacuum tubes, or to {nterstage mag. |to be economical. If you are won. netic coupling. Putting this in| dering whether to use a storage simpler language {t means tho battery or dry cells to light your tubes, figure that the storage bat- tery {s more economical in the end | but the dry cells are sometimes more convenient and cost less at a start—both perform the sam@ uty. ie tendency of the system to change! from a receiver into a transmitter. Many methods have been em-| ployed {n tuned radio frequency R cirouits to achleve the same result, ‘ as Agnew, For several webks the unday evening services in the tabernacle will b ronducted with a view to a large popular interest, and the subjects will be of an especially interesting nature a HANGS BY LAMP. PAI ; Jan rt | Hienrl Gretts 1 Ker irous aergbat, amazed trons of the Cate des Garcons w by | ging from a chandelier luring a dar Hie later was ar é | | jreated for intoxication and then| |umused hile jailerw by clambering up| 1 Aree-¥ ear-Old Home Saddened by and down the fron bars of his cell, C 4, é CONSTANT E, Jan. 24—] Murtin Ete threé’ year old — 4 Sixteen public drinking fountains in}gon of Mr. and Mitchell itch | Margery D rothy Rohn, 16 Constantinople have been found to] mendy, 710 eth Jefferson} months old daughter of Mr. ahd Jeontain polsoned water An ep!-| street, died early Seturday morning.| Mrs. If, B. Rohn of 740 North Jef- demic of “yellow sickness,” followell| Funeral services were ld ye ferson t. died Friday at Mid by sudden and violent death, ha#|/day with servic conducted ght. The body is at the Shaffer- been traced to the impurities In the|Pather Manley of St. Authony’s of funeral chapel, pending tunerat city water supply, ficlating Augements, )