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ATURDAY, FEBRUARY 21, 1925 MURLD FLIER REVEALS WIFE LONDON, Conn., Feb. 21.— nant Leslie P. Arnold, one of wid fliers, who is visiting d to-a gathering of in the home of Dr. y that on August 13, 7, be was married at the Little ) around the .corner, New City, to Miss Mildred Avery, a . who now is on duty at the Charles Prentice, a ‘few from the home where the nt is a guest. Avery confirmed the Meuten- suncement of the marriage, itenant Arnold says was nation of a childhood ro- Lieutenant Arnold made the ment in denying published ‘ f his ‘engagement to Dean, wel® known movie lo W e friends, nothing more,” 1ant in speaking of n of Miss Dean's own, The report of the its origin in Mil » where he had agement at the same at Miss Dean was filling ment at a theater. Meeting tel he and Miss I scquaintance of ) 8 en the world fliers were name Ss a man in the ranks rried, he said. He had returned from the Philippines. 1phed Miss Avery to mee: in New York, She responded | they were wed. ‘They separated | eir wedding day and have met | since, and then for c ments, VELATION LEETURES KT BAPTIST. CHURCH »werman of the First Baptist sumed last Sunday evening a large audience his lectures jon. He presented the of the Fifth and Sixth and dealt with the pecu- of the “Little Book” s “sweet in the mouth and the belly.” Next Sunday the lecture will be upon le Two Witnesses” and also ning upon “The Great Bragon the Seven Empires.” In the days buisunderstanding and misinter- ation, Wherein people fail to dis- h the difference between “The of the World” and “the End of Age,” it is worth while to study “Book” itself and see*what it says and the message it ac- ly gives, says the pastor. Many rded the lecture last Sunday eve- as the best of the series thus aN the finest upon the subject they had ever heard, The basis fhe lectures is that Dr. Bowerman p but little attention to so-called pries and opinions of men, but jpares scripture with scripture then points to the historical ful- ment amd deals with the cause of judgment and the spiritual for y and tomorrow. ballenges Hurled y Casper Scouts leep your eye on troop No. 9. * senior patrol leader, says is going to prove to ‘Dad’ he a real honest to goodness and Ralph Summers, their scoutmaster says that “Dad” be as proud of his new troop o is of any of his old ones. And i” says, “go to it boys and show ’ So look out fellows, with p No. 9 and No, 10 in the third ict, “Dad says “he will be ing more challenges.” He has lenged any troop in the state »w why little old troop No. 19 orth Casper is not the best of ) all in semaphore signaling s taking in more territory s any troop in the takes in. six you “Dad” and Good luck to 1 district. Yours to wir “SCOUTER", — Treaty | ow in Form irk ASHINGTON, Feb. 21—The nne treaty for re-establishment tl diplomatic and commercial s with Turkey was approved with reservations the for UNDER THE APITOLDOHE From Page One) ded as one of the ed men in all pliases of the 1 the west. It was fool f course, for a country mer ke Wilson to cross swords MT on such a subject. everance tax in this state jon to all other tribute you exacted from the oil industry,” red Mr. Campbell, “and I will you that my company will vend another dollar in Wyo- And in common with my other of! concerns now con- = to the development and Iding of this state will with. from their activities. tax is unfair, unjust, In- ‘¢ and unscientific. 'We will ne to be exploited any fur- We are now the upholders upbuilders of your highways. furnish the chief support of f educational institutions. And killa the goose golden eggs. people of the state thought of erance tax when they © us a now burden simply proposed Choke Super-Heterodyne Easily Wired at Home with Plan By Knowing Simple Rules and Taking+ Pains with Delicate Parts, Beginner Can Make It. By PAUL McGINNIS It is easy to put together a super-heterodyne of the ultradyne| type if it is remembered that all wires should be as short as possible and kept well apart. Such a set, using the parts described last Sunduy, {s as simple in construction and operation as a good regenerative set or onc of the many popular five-tube sets. By using eight tubes, it| will give good loud-speaker volume on distant stations with only a loop for an aerial. If more volume and distance is desired, an outside antenna can be employed. As indicated in the diagram above, such an antenna! must be coupled through a primary and secondary coil, of about twenty and fifty turns respectively.+ It is perhaps best to wire the distortion of the audio sounds pro- filament circuit first. If you are|quced by the set. One wire goes o use tubes of the 201A type, which 3 ac considered much the best for from the center connection of the the super-heterodyne, they may all| potentiometer to three intermedt- be operated with one rheostat of | ate-frequency transformers — and one and a half or two ohms. The | ‘through their coils to the th grids of the I. F. tubes, and all of this wiring must be kept well iso- |lated from the other parts of the set. | The condenser marked C1 is of 0005 mfds. capacity, the usual 23. ‘The grid wires, those connecting | .0005 m| : directly or indirectly to the grid| Plate variable condanees ct re terminals of the tubes, are the|5ame as C2. The connections a 1) most important, and they should|can be reversed if is affected by be kept at least an inch away from|the hand in tuning. C4 is a 006 | all other wires in order to avoid’ fixed condenser and C6 is the usual How Station Connects with Distant Studio With extension-line broadcasting the telephone company allows two lines for each extension, and these are sealed to prevent the cen- m cutting in on them, re Gieren time lines iH used for telephone intercommunication be- tween the operator at the broadcast station and the operator at the Mne-amplifier in the remote ore] wiring of the filaments is not dif- ficult, as high frequency currents, are not considered, and the wires may come reasonably close to each other if necessary. ‘The other line is used for the microphone and must be free from ll noises and line-interference. It might be mentioned here that when it ig necessary to connect through two or more exchanges the chances of getting an absolutely quiet line are lessened. To maintain a smooth-running programme when several different- ly located mierophones, are used during the evening, absolute adher- ence to a prearranged schedule is required. When the programme consists of a period of broadcasting from a stu- dio in the same building in which the transmitter is located and a pe- riod of broadcasting from only one Mne-extension using one or two mil- crophones, the change from one to the other is made by throwing a switch on the station amplifier panel. At the end of the extended line there is what is known as a line- amplifier, which is equipped with a double through switch for selecting either the announcer’s microphone or one used for entertainment. A station using severai iine-exten- sions has a switchboard similar to telephone boards, and these lines can be connected to the stations by inserting a plug in the jack used for any particular extension. Set Works Best With Balanced Coupling Close coupling between the pri- mary and secondary coils makes broad tuning. The secondary takes power from ‘the primary, and this creates a condition in the primary that is equivalent to placing resis- ‘Are Learning to Avoid Radio Interference The various causes of inter- tance in it. When the two coils ference divide into two classes,/are brought closer together a natural and man-made. Progress | greater amount of power is not re- is being steadily made against | ceived by the secondary because both of these enemies. There will always be atmospheric disturbances and fading, which will necessarily limit the distance from any broad- casting station at which reliable, the added resistance in the primary circuit, through mutual induction, reduces the current rapidly. The maximum power is obtained in the secondary circuit when it takes satisfactory reception will be pos-| half of the power from the primary, sible jor when the increase in resistance The various kinds of man-made |of the primary, due to, coupling, is interference are curable and are of j equal to the resistance of the pri-| local character. | mary by itself. \ GO A\WEAD! Ger UP AND GET 70 KNOW) GO IASTO “OLR ROOM: ILL Put our THE LIGITS, YOU CANT FOOL ME yj Yy ULL Z ‘Che Casper Daily Cribune The Home Paodio Lage Coll grid condenser of .00025 mfds. C6 and C8 are optional fixed con- densers of .6 mfds.; they have the effect of clearing the tone of the set but are not essential, C7 is the usual plone by-pass condenser of .002 mfds. Such condensers as C7 may be tried at other points in the audio-frequency amplifier, together | with ‘Variable resistances of wide range, depending upon the type of audio transformer used in the set, The condenser marked C3 {s of .0005 mfds, capacity and is semi- variable. When it is once adjusted it need not be changed, and for this reason it {s placed Behind the panel, out of the way. This condense must be a good one, however, and have the proper range, for it has a critical function. When the set ia completed, this instrument must be patiently adjusted together with tha | other condensers, the rheostat ard| the potentiometer, in order to prop-| erly balance the set. It is essential to use the best of} material in building such a larg set, because of the many oppori:- nities for josses in the long cireutt through which the Incoming pulse | must travel. A baseboard of har¢ | rubber or bakelite is well worth | while, as wood which is not tho- oughly dry may provide a path oa leakage, especially if bare wires touch ft. By using 201A tubes, only two amperes of current are required, which is not a great drain on a storage battery. The voltage of the “B” battery need not exceed ninety volts for good results, but if greater volume ts desired, as much as 135 volts may be used on the audio-frequency amplifier. A “C" battery of trom four and a half to nine volts will improve the tone of the set and also save much “B" battery voltage. t ‘Fan Can Forget It 1s practical now to use the house lighting current for a radio set so that by operating itches { {t 1s never necessary to buy new| batteries or to be disappointed by batteries suddenly ceasing to func-| fier and will give’ good service if it tion, is made properly. Such a rectifier A number of units are now ayail.| can be made so that the eclemer vent its destruction, which follows | aig at reasonable prices for the| will not be eaten away, and it when a leak occurs in the glass. “RB” ¢ 5 1 1 e|last indefinitely mabitioe réascn tie thaivaetin ts | current supply and a storage! last indefinitely. battery and charger can be in-| It is possible to do away witt in the operation of the tube as an| tan ‘ stalled for the “A” current so that| Storage battery, but the unit w oscillator and amplifier, which does | * : i Riepehd inh ey Shiga este aay. fot work well it there capacities | Sl necessary energy can ob-| must take its place today 1 Vacuum in Tube Is Necessary Receiver Can be Operated byt Lighting Current With Simple Devices. ‘The vacuum tube is so named because the grid, plate and filament are enclosed in a glass chamber from which the air has been pumped. It is necessary to burn} the filament in a vacuum to pre- alien the sleds Rint ea oat Wine tained direct from the lighting cir pensive. and-intribate: tn’ oy aration ep sday haean to Tae ar for| “The electrolytic rectifier, used in| type of current supply is that us a detector, like the 200 type, it con-| both “A” and “B” units, is some-|ing three units, « “B" battery sub tains some gas which assists the stitute, a stc what cheaper than the tube recti- detector action. je _battery and a ‘In the manufacture of tubes for amplifiers it is necessary to include a chemical which absorbs the gases . . | \ jamawiaaortneeee’ TO Improve Amplifier Distortion of sound impulses is the problem on which the attention How Electrolytic of acoustic experts is now directed, On the transmitting end every |effort is made to clarify the sound that comes to the microphone before Charger Works | it is cast into the ether, by arranging the studio so it will be free from The electrolytic type of charger | echo effects. After the soufd Js picked up by the microphone and makes use of the fact that when} changed to electrical impulses, every effort is made to preserve the certain parts of dissimilar metals are immersed in electrolyte they| ‘“Y° Sores aodilig lh Yes tha wera. allow current to flow in one direc-| The pick-up amplifiers are de- ance should tion only. Common examples use a| signed to reproduce faithfully all) j.v6 4 continuously variable range lead and an alummum rod im-|the tones of voice and music. To| between five thousand and one| mersed in misolution of paras fae do so it is necessary to use some | hundred thousand ohms, water for charging storage at means of stabilizing the amplifier | It is this blast of sound waves teries. that throws out of balance for the Aluminum disintegrates when an| circuit, and for this purpose a vari-| (0a! throws out « a or musi the fine relationship of attempt is made to pass sufficient | able resistance 1s frequently used,|the various circuits, and offends ee ne aerate ecrare,|elther as @ resistance-coupled am-| the sensitive The variable Charger of ‘the electrolytic. type | Plifier or in connection with the|esistance remedies this condition y acting as an overflow escape or valve for the disturbing surges of current. It is truly remarkable the differ- can be made by using metals which | transformers. The variable resist-| do not disintegrate. These are im-|ance ciarifies the audio-frequency | mere armite an mach erence | currents and frees them of the! amount of current to be passed} | than is possible with alkaline solu- tions of borax or baking soda and water, The metal, unlike aluminum, ifs not attacked by the acid solution and does not waste away. By the use of a split secondary in the transformer and two-electrodes, it is possible to rectify both halves of the wave. Amateur Operators Are Restricted to New Wave Bands Amateur operafbrs of radio trans---as soon as possible and the adop- mitting stations will be accorded slightly broader channels in the lower wave lengths in 1925, al- though they lose the band between 105 and 110 meters, under revised amateur regulations just issued by the Department of Commerce. Ra- dio phone, spark and ICW trans- mitters may be used only within the band from 170 to 180 meters, but CW transmission may be car- ried on within the following wave channels: 4.69 to 6.36; 18.7 to 21.4; 87.5 to 42.8; 76 to,85.7 and 160 to 200 meters. ‘The department urges the aban- donment of the spark transmitter 5 Change Noisy Tube When trouble is experienced with an audio frequency amplifier it may be due to poor tubes, too low plate voltage, or a defective transform- er. Tubes should be selected for amplifier work, because a noisy tube in the first stage will produce tion of sets causing less interfer- ence. No new restrictions will be imposed rejative to the character of the power supply, the depart- ment regulations state, provided the emitted wave is sharply defined and the power does not exceed 500 watts, set by law. Amateurs using the band between 150 and 200 meters, which includes all spark, phone and ICW transmit- ters, are required to remain silent every night between 8 and 10:30 Standard time, and on Sundays dur- ing church service broadcasting. Stations using wave-lengths below 85 meters and having a pure con- tinuous wave, or where full wave rectification is employed, are not required to remain silent, except when interfering with other radio A variable resistance unit is shown here as it | should be connected across the secondary ter- minals of an audio-frequency transformer. “fuzz” accompanies music. At the receiving end other dis- tortion occurs, caused by the lag- ging effects of some parts of the circuit, and here also the variable that usually ence that the addition of this unit makes in a radio receiver. Sweet strains of music unmarred by harsh sounds will take the place of poor reproduction that has too long been | acepted as unavoidable. services. resistance can be used with equal] In the accompanying sketch Special amateur licenses are/success. It may be connected|the correct way of connecting a abolished, but owners of stations/ across the secondary of the first| variable resistance in audio cir so licensed may continue to use|or second transformer and, as in| cuit is indicated, Hu 1 f their “22” calls under new regular|the Filter Tuner, it 1 be con-| who have tried these circults t amateur Icenses. No more special| nected across the tickler coil,| tify to thelr worth, and m “Z" Vicenses will be {ssued, as the| where {t acts as an absorbing by-| that thr ugh the ad n strong interference in the second stage. LOUDSPEAKER LL SURELY ij 4 that is laying te ou ubject. You will continue) at that they don't want it ana | fr be a party to penalizing tn: | cr and = thre nterprise | jn you tr op ty tax, production tax | is will not dustry defeated the) amendment “You last fall learned what the | If pro constitutional VEN PY) Aepartment feels there is no longer path for blasts of sound that would need for them. distort the normal tones of voice und a new fF radio reception unit they have fi ure in | other Battery batte control t they can t When charger. Switches e accessories 80 installed perma stor; nen they are once in- talled the upkeep of the set is st “Bp” battery unit {s easier to make than one for the “A” supply, and r thi reason either large vacuum tubes or electrolytic cella may ed for rectifying alter nating cu The process of elec- trolysis r, and if is contre properly there will be no hum transmitted to the receiver from the powerhouse is grounded {t ran aerial Attempt to Broadcast Mental Telepathy Broadcasting a “thought” is to be tried out upon its patrons by the British Broadcasting Company, of: ficial broadcasting e idea ts a that a n, famou prominent for his Iintellectuay hinking” powers, should and before a microphone and for the space of two to three minutes try to broadcast an easy concrete thought He would concentrate, with all his mental energy and thought, on a certain matter and endeavor at the e time to transmit that tho it into the microphone, The ra broadcasters would for the moment become thought 3 receive a mental impres- thought and try t sion of the Plans to Teach School | by Radio Lessons The South African Government is formulating plans for sending les- sons by radio to children who can- not cover great distances to the nearest school hou Parents would instructed by broadcast as to how their children hould proceed with the lessons tranamitte nd would also be asked to e their “pupils,” who, it fs gested, might work in group The Government has great hopes that th ill solve the prob lem of teaching a widely scattered child pop i One Wire Makes Good Receiving Aerial An aerial induct- ance and r The capacity is formed by the condenser effect ting between the aerial wire as one plate, und the ground as an- a condenser, The inductance of the aerial is formed has capacity, sistance. plate. of by its len and shape, and the resistance Ly the length, size and materia of the wir bare copper wire is gener suitable for the aerial, and one | wire is enough. How Test Call to An open circ may be € 1 and fp uit in a transformer with a single dry One term » heard it wise no click, The n the Fun Began | KEG SK] YUYWLY, "eho plen, YY) tn phy el COG WO) or Bis YOIYY YW) WY y HW BE ASLEEP BY AKow = 111. SNEAK OUT AND STICY THE EARPHONES ON), WAXE aa VPP? nd royalty tax are not sufficient] Mr. Campbell talked earnestly tor hdc The Campbe ' ‘ the r om one industry to satisfy the| half an hour. He grew #o righteous ninst the bil kill vurtl nd fi hor ‘eed of the taxing authorities, that | ly indignant at times, that those sit-| of the mea f while Mr. Cam 1 dustry is in a humor to suspend| ting near the speaker assert that| and n quarter» he wit} odd neta voration: ef what they have] on one or two oceasions, they beard | killed the other quarter When the! resting pl ! fh 5 ¢ confiscated, & swear word or two slip into lils| vote was taken a little after one | benetit of cler TTT YYW LY “ WHAT Luci! CE F av dy oS ¢ by t OYYY THING MTS Put Mé MRA Wy i) & nd maybe tituency in a ft ev Gardner elo oh