Radio Broadcast - 1927, May - 61 Pages, 4.9 MB ... - VacuumTubeEra

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INDEX("Illustrated Articles.Editorials in Italics)PAGE*A B, C Device, A lamp Socket (Gilrl,bert Edgar) 153*A, B, C Power-Supply Unit for 201-AType Tubes, An (Roland F. Beers) . . 155*A Battery? What About the (Edgar H.Felix) 26Advertising Over the Air from Corsets toCalliopes, Direct 81*A. C. Filament Supply, Problems of(Roland F. Beers) 101*A. C. Mains, Filament Lighting fromthe (Roland F. Beers) 33*A. C. Operation, Receiver Design for(Howard E. Rhodes) 157*A. C. Set, Your (Edgar H. Felix) 374"A. C. Supply" Units, A New Termfor 19*A. C. Vacuum Tubes, Three-Element(B. F. Miessner) 302*Amplification, Use of Tubes HavingHigh (A. V. Loughren) 238,* Analyzing the Power Amplifier (D. E.Harnett)Ill* Antenna, How to Design a Loop(Homer S. Davis) 104*As the Broadcaster Sees It (Carl Dreher)36, 106, 167, 235, 293, 376Aurora and Fading, The (Austin G.Cooley) 135Australia, Radio Control Unsettled in ... 141*r> SOCKET power Device, Perfecting-D the (Howard E. Rhodes)*Balanced Short-Wave Receiver, A43(Frank C. Jones) 24*Balsa Wood Loud Speaker, The (TheLaboratory Staff) 211*Battery Charger, A Low-Cost (JamesMillen) 143Book Reviews:Practical Radio Constructionand Repairing, by Moyer andWpstrel (Edgar H. Felix) ... 416Radio Encyclopedia, The, by S.Gernsback (Edgar H. Felix) 110Theory of Vibrating Systemsand Sound, by Irving B.Crandall (Carl Dreher) 110Using Radio in Sales Promolion,by Edgar H. Felix (CarlDreher) 369Broadcasters in New York Organise 268Broadcasting Situation, Stabilizing the 79. .*Building an Electrical Phonograph(James Millen) 86*Building the Laboratory "Super"(Ernest R. Pfaff) 280CANADIAN Demand for More Wave-Ls lengths? What About the 80"Canned" Programs Good and Bad 206*Causes of Poor Tone Quality (EdgarH.Felix) 296*Charger, A Low-Cost Battery (JamesMillen) 143" Christian " Mud Throwing 18*Coil Design, Some Facts About (RossGunn) 40Combined Push-Pull Power AmplifierPAGEand Socket B Device, A (The LaboratoryStaff) 163Commission Regulates Broadcasting forthe Broadcasters Not the Listener, The 204*Condenser, Coil, Antenna Measurements(Keith Henney) 227Conditions for Long-Distance ReceivingDo Vary*Cone, How to Build a 36-Inch (Warren81T. Mithoff) 148*Constructing a Five-Tube Neutrodyne(Howard E. Rhodes) 232*Constructing Transformers and Chokesfor Power Supply Devices, Home(Homer S. Davis) 274, 379*Crvstals, Piezo-Electric (M. ThorntonDow) 271T\ANGER of Direct Advertising on theLJ Air, The 346Davis Resigns, Judge 269*Description of a Short-Wave Station(C. R. Runyon, Jr.) 171Direct Advertising Over the Air fromCorsets to Calliopes 81Directory of Manufactured Receivers,"Radio Broadcast's" 316, 402Discovering Ore Deposits by Radio 267*Discovery That Newton Missed, A(James Stokley) 263DX Listening, What Commissioner BellowsThinks About 205*T^LECTRICAL Phpnograph, Build-ing an (James Millen)*Electrical Phonograph, The (James86Millen) 20*"Equamatic" Receiver, The 1928 (JulianKay) 364*Equipment for the Home Constructor(The Laboratory Staff) 58, 120, 182T^ILAMENT Lighting from the A. C.C Main (Roland F. Beers) 33*Filament Supply, Problems of A. C.(Roland F. Beers) 101*Five-Tubs Neutrodyne, Constructing a(Howard E. Rhodes) 232*Five-Tube Receiver, A Super-SensitiveShielded (Herbert J. Reich) 229*Flexible Short-Wave Transmitter, A(Howard E. Rhodes) 213Freedom of Speech Impossible, Radio . . . 138Frequent Misuse of the Word "Broadcasting,"The 141"TTAVEYouReflex?(John B. Brennan) ............*"Hi-Q" Has an Extra R. F. Stage, The(John B. Brennan) ................*Home Constructing Transformers andChokes for Power Supply Devices(Homer S. Davis) ............... 274, 379*Home Constructor, Equipment for the(The Laboratory Staff) ....... 58, 120, 182*Home Laboratory, An Instrument forthe (Keith Henney) ............... 92*How to Build a 36-Inch Cone (WarrenT. Mithoff) ...................... 148*How to Design a(Homer S. . .Davis)LoopPAGEAntenna104*INSTRUMENT for the Home Lab-1 oratory, An (Keith Henney) 92Interference, Suppressing Radio (A. T.Lawton) 299International Short-Wave Test 60/T UDGE DA JudgingVIS ResignsTone Quality (Edgar H.269Felix) 224to Recent Radio Articles, AKEY(E. G. Shalkhauser)60, 126, 255, 326, 398Kit Shall I Buy? What125, 190, 254, 324, 396"TABORATORY Information Sheets,1^, "Radio Broadcast's:"A Battery Chargers 246Analysis of Voice Frequencies. 56Audio Amplifiers 246Audio Amplifying Systems. .54, 116Audio Transformers 119. 390B Power Units 312Care of Power Supply Units .Carrier Telephony 392Characteristics of the 171 TypeTube 310Circuit Diagram of the "Universal" Receiver 118Closely Coupled Circuits 392Condenser Reactance 312Condenser Reactance Table. .. 312Curves of the 171 Type Tube. 310Data on Honeycomb Coils. . . . 388Data on the "Universal" Receiver118Dry-Cell Tubes 180Efficiency of Amplifying Systems119Hertz Antenna, The 308High Voltage Supply for 210Type Tube 178Index 180Lightning Arresters 118Loop Antennas 52Loud Speaker Horns 392Measuring R. F. Resistance ofa Coil... 176Methods of Generating High-Frequency Energy 116Morse Code, The 310Neutralization 178Periodical Output Circuits 242208Principles of Reflexing, The. . . 56Radio-Frequency Choke Coils. 216348Resistance-Coupled Amplifier. 390Resistance-Coupled AmplifierCircuit 330Short-Wave Coils 52Simple Tube Tester, A 54Socket Power Units 119Static 244Storage Batteries 56Super-Heterodynes 244Testing Radio Receivers 308MA 26 '
INDEX.ContinuedPAGEThreshold of Hearing and Feelingin the Ear, The 178Transmission Unit. The 242Type 874 Glow Tube, The. ... 388Ux-240 Type Tube, The 176Wave Traps 244'Laboratory, "Strays" from the146, 222, 284'Laboratory "Super," Building the(Ernest R. Pfaff) 280*Lamp Socket A, B, C Device, A (GilbertEdgar) 153Latest Television Developments 81Law, A Profound Study of Radio 345"Light Socket, Servants of Your 356Listeners' Organizations? Where are the141, 269'Listeners' Point of View, The (JohnWallace) 29, 97, 159, 218, 286, 372Listeners, Why We Need More 206Listening to World-Wide Broadcasting isNear 345Long- Distance Receiving Do Vary, Conditionsfor 81'Long-Wave Receiver, A Portable(Keith Henney) 165'Loop Antenna, How to Design a(Homer S. Davis) 104'Loud Speaker, The Balsa Wood (TheLaboratory Staff) 211'Loud Speakers, 1928 370'Low-Cost Battery Charger, A (JamesMillen) 143Radio Installations Safe(Edgar H. Felix) 410MAKINGManufacturers' Booklets Available61, 123, 186, 248, 314, 394'Manufactured Receivers for the ComingSsason 351Manufactured Receivers, "RadioBroadcast's" Directory of.. ..250, 316, 402'March of Radio, The15, 78, 138, 203, 266, 344'Measurements, Condenser, Coil, Antenna(Keith Henney) 227'Methods of Measuring Tube Characteristics(Keith Henney) 46Methods Which Fail to Materialize, Revolutionary203Modern Radio Receivers Are a Good Investment344Month in Radio, The19, 82, 142, 206, 269, 346Mud Throwing, "Christian" 18'\TEUTRODYNE, Constructinga1M Five-Tube (Howard E. . .Rhodes) 232'Neutrodyne Group, The 354Never Again Without Radio ! 206'New Offerings for the 1928 Season,Ssme 360'New Principle of R. F. Tuning, A(David Grimes) 367'New Receiver Offerings for the Fall(The Laboratory Staff) 298'New Regulator Tube, A (James Millen) 363New Term for "A. C. Supfly" Units, A 19'1928 "Equamatic" Receiver, The(Julian Kay) 364'1928 " Hi-Q " Has an Extra R. F. Stage,The (John B. Brennan) 348'1928 Loud Speakers 370'1928 Radio Receivers of Beauty andUtility 352'Now You Can Receive Radio Pictures(Keith Henney) 341/ABJECTIONS.to the Radio Law 17DATENT Licensing Points to a Bright-i Radio Future 79Patent Tangle, Unsnarling the 206'Perfecting the B Socket Power Device(Howard E. Rhodes) 43'Phonograph, Building an Electrical(James Millen) 86'Phonograph, The Electrical (JamesMillen) 20'Pictures by Radio 279PAGE'Pictures, Now You Can ReceiveRadio (Keith Henney) 341'Piezo-Elcctric Crystals (M. ThorntonDow) 271Please for a Blue Radio Sunday 80'Poor Tone Quality, Causes of (EdgarH.Felix) 296'Portable Long-Wave Receiver, A(Keith Henney) 165'Problems of A. C. Filament Supply(Roland F. Beers) 101Profound Study of Radio Law, A 345Programs, Good and Bad "Canned" . . . . 206Prosperous Radio Year Forecast, A 267'Push-Pull Power Amplifier and SocketB Device, A Combined (The LaboratoryStaff) 163'/DUALITY, Causes of Poor ToneVJ (Edgar H. Felix) 296Question of Vested Rights, The. ... 17Broadcast's" Directory ofManufactured Receivers . . .250, 316, 402RADIO'"Radio Broadcast's" Laboratory InformationSheets (See Laboratory)52, 116. 176, 242. 308. 388Radio Commission Is Accomplishing,What the 138Radio Control Unsettled in A.ustralia. . . . 14119Radio Engineers. There Are NoRadio Freedom of*R. F. Tuning,Speech Impossible.A New Principle. .of. 138(David Grimes) 367'Radio Interference, Suppressing (A. T.Lawton) 299Radio Installations Safe, Making(Edgar H. Felix) 410Radio Law, Objections to the 17Radio Needs No Yearly Models 266'Radio Pictures, Now You Can Receive(Keith Henney) 341Radio Receivers Are a Good Investment,Modern 344'Radio Receivers of Beauty and Utility,1928 352Radio Reception Is No Longer Seasonal. . 141'Radio Waves in Transit? What Do WeKnow About (R. W. King) 75'Radiolas for 1928 358Recent Radio Articles, A Key to (E. G.Shalkhauser^ 60. 126, 255, 326, 398'Receiver Design for A. C. Operation(Howard E. Rhodes) 157Receiver Offerings for the Fall, New(The Laboratory Staff) 298'Receivers for the Coming Season, Manufactured351'Regulator Tube, A New (James Millen) 363Revolutionary Methods Which Fail toMaterialize 203'Roberts Reflex? Have You a (John B.Brennan) 208*0 ALESMEN, We Need Better RadioO (Carl Dreher) 283'Servants of Your Light Socket 356'Shielding? Why (Edgar H. Felix) 83'Short-Wave Receiver, A Balanced(Frank C. Jones) 24'Short-Wave Station, Description of a(C. R. Runyon, Jr.) 171Short-Wave Test, International 60'Short-Wave Transmitter, A Flexible(Howard E. Rhodes) 213'Short Waves? Why Not Try the (KeithHenney) 290'Should the Small Station Exist? (JohnWallace) 372'Single Control, Something About(Edgar H. Felix) 151'Socket Power Device, Perfecting the B(Howard E. Rhodes) 43'Some Facts About Coil Design (RossGunn) 40'Some New Offerings for the 1928 Season360Stabilizing the Broadcasting Situation. . . 79Standards, Unnecessary Duplication ofRadio 140PAGEStations Shall Be Eliminated? What .... 139'"Strays" from the Laboratory.146, 222, 284'"Super," Building the Laboratory(Ernest R. Pfaff) 280'Super-Sensitive Shielded Five-TubeReceiver, A (Herbert J. Reich) 229'Suppressing Radio Interference (A. T.Lawton) 299Survey of Radio Conditions, A 19TELEVISIONDevelopments, Latest. 81-There Are No Radio Engineers .... 19'Three-Element A. C. Vacuum Tubes(B. F. Miessner) 302'Tone Quality, Causes of Poor (EdgarH.Felix) 296'Tone Quality, Judging (Edgar H .Felix) 224'Transformers and Chokes for PowerSupply Devices, Home Constructing(Homer S. Davis) 274, 379'Tube Characteristics, Methods ofMeasuring (Keith Henney) 46'Tubes Having High Amplification, Useof (A. V. Loughren) 238'Tuning, A New Principle of R. F.(David Grimes) 367T TNNECESSARYUDuplications ofRadio Standards 140Unsnarling the Patent Tangle 206'Use of Tubes Having High Amplification(A. V. Loughren) 238*\ 7ACUUM Tubes, Three-Element A.V C. (B. F. Miessner) 302Vested Rights, The Question of 17'TXTE NEED Better Radio SalesmenVV (Carl Dreher) 283'What About the A Battery? (Edgar H.Felix) 26What About theCanadian Demand forMore Wavelengths? 80What Commissioner Bellows ThinksAbout DX Listening 205'What Do We Know About RadioWaves in Transit? (R. W. King) .... 75What Does the Listener Want? Let HimSpeak 15What Kit Shall I Buy?125, 190, 254, 324, 396What Stations Shall Be Eliminated? .... 139What the Radio Commission Is Accomplishing138Where Are the Listeners' Organizations? 141Where Are the Listeners' Organizations?. 269Why Important Events Can't Always BeBroadcast 141'Why Not Try the Short Waves? (KeithHenney) 290Why Radio Home Construction Continuesto be Fascinating 78'Why Shielding? (Edgar H. Felix) 83Why We Need More Listeners 206Which Stations Shall Broadcast? 16Will Telephotography Be the Experimenters'Next Field? 266Wisely Chosen Radio Commissioners, The 80'With Macmillan to the ArcticG. Cooley)(AustinHWorld-Wide Broadcasting is Near, Listeningto 345AUTHORSBeers, Roland F 33, 155Brennan, John B 208. 348Cooley, Austin G 11, 135Davis, Homer S 104. 274, 379Dow, M. Thornton 271Dreher, Carl36, 106, 167, 232, 283. 293. 369. 376Edgar, Gilbert 153Felix, Edgar H.26, 83, 151, 224, 296, 374, 410, 414
Page 1: RADIO BROADCASTVOLUME XIMAY, 1927,
Page 5 and 6: RADIO BROADCAST ADVERTISERALUMINUMB
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Page 9 and 10: :RADIO BROADCASTVOLUME XI NUMBER 1M
Page 11 and 12: MAY, 1927WITH MACMILLAN TO THE ARCT
Page 13: THE MARCHInterpretation of Current
Page 16 and 17: 18volved the law in precarious lega
Page 18 and 19: The ElectricalA Non-Technical Expla
Page 20 and 21: 22 RADIO BROADCAST MAY, 1927type of
Page 22 and 23: A Balanced Short-Wave ReceiverA Des
Page 24 and 25: What About the A BatteryThe Importa
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Page 28 and 29: 30 RADIO BROADCAST MAY, 1927NO STRA
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Page 34 and 35: AS THE BROADCASTER SEES ITDrawings
Page 36 and 37: 38 RADIO BROADCAST MAY, 1927Interes
Page 38 and 39: Some Facts About Coil DesignThe Osc
Page 40 and 41: 42 RADIO BROADCAST MAY, 1927Shows e
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Page 44 and 45: ''Measuring TubeCharacteristicsA Pa
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Radio Broadcast - 1927, May - 61 Pages, 4.9 MB ... - VacuumTubeEra

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