Practical radio
By: by Henry Smith Williams.
Publisher: Funk & Wagnalls company
Published: 1922
Place of publication: New York; and London
Language: eng
Number of pages: 413
Subjects: Radio.
Table of contents: title: CONTENTS; title: CHAPTERS; title: I A Wonderful Game for Boys 1- 32; title: The American Youth and the Radio Game, 1 — From the Mouths of Babes, 4 — The Simplest Radiophone Receiver, 8 — The Simplest Radiophone Receiver Analyzed, 14 — Make One for Yourself, 18— Youthful Miracle Workers, 24— The Achievement of "Feed-Back" Armstrong, 26 —Almost Everybody Will Have One, 30.; title: II Ethereal Messengers 33- 47; title: The Radio Waves Invade Our Homes, 33— All Matter Is Sponge-Like, 36 — The Ocean of Ether, 38— Our Point of Contact with the Ether, 41— Electromagnetic or Radio Waves, 44; title: III Hearing the Inaudible 49- 84; title: From Ether to Air, 50 — The Receiving Antenna, 52 — Installing the Aerial, 55— Grounding the Antenna, 60 — Protection against Lightning, 61 — Practical Details of Antenna Construction, 65 — The Tuning Mechanism, 70 — How to Make a Tuning Coil, 72 — The All-Important Detector, 75 — The Radio Telephone Receivers, 79 — Hooking Up the Outfit, 80— Instructions for Wiring, 81— Directions for Operating, 82.; title: IV Getting Good Results — and Better 85-128; title: Operating the Receiving Set, 85 — A Word About Hook-Ups, 87 — Improving the Tuning Apparatus, 92— Making a Loose-Coupler, 8 — Honey-Comb Coil and Spider Web, 104 — Another Type of Tuner, 105 — The Condenser, 106 — Making a Simple Condenser, 109 — Essential Parts of a Receiving Station, 113 — Details of Coupler Construction, 115 — Variable Condenser and Crystal Detector, 119 — Instructions for Assembling and Wiring, 120 — Directions for Operating, 125— Approximate Cost of Parts, 128.; title: V From Crystal to Triode 129-153; title: Dr. Lee De Forest, Inventor of the Audion, or Triode, 129 — Hearing with an Electric Light, 131 — Components of the Triode, 134 — Flow of Electrons Through the Triode, 139— The Grid Controls the Plate Current, 141 — Installing the Triode Detector, 143 — How to Manage Battery Wires, 148.; title: VI The Restless Electron and the Radio Hook-Up 154-178; title: The Hook-Up Likened to a Map. 154— The Electron as Wanderer, 157 — Much Haste and Little Speed, 161— Electron Movements in Radio Transmission, 163 — A Voyage in a Lamp, 166 — Harmonious Even Though Turbulent Voyagers, 172— Grid Condenser and Grid Leak, 173 — A Retrospect View, 176.; title: VII The Regenerative and Ampufying Radio Receiver 179-204; title: The "Feed-Back" Circuit with Tickler Coil, 180— Other Methods of Regeneration, 184— Adding Amplifying Triodes, 190 — The Wizardry of the Triode, 193 — The Characteristic Curve of the Triode, 197— The Heterodyne or "Beat" Effect, 202.; title: VIII Hints About Improved Aerials 205-226; title: Some General Considerations, 205 — Substitute and Makeshift Aerials, 208 — The Loop Aerial, 211—The Radio Compass, 216— The Loop Aerial on Airships, 220 — The Loop and "Static," 221— The Loop Aerial for E very-Day Use, 223.; title: IX Radio-Frequency Amplification and Super-Regeneration 227-272; title: Sensitiveness of the Triode, 231 — Radio-Frequency Amplification, 232 — Amateur Transatlantic Radio, 235 — The Super-Heterodyne Method, 241 — Amplification Without Distortion, 244 — Million-Fold Amplification, 246— A Single-Tube Amplifier, 250 — Super-Regeneration, 252 — Analysis of the Super-Regenerative Circuit, 255— Rolls-Royce versus Flivver, 263 — High-Frequency Complications, 266 — Theoretical Considerations, 268— Reflecting and Directing Radio Waves, 269.; title: X Sending Radio Messages 273-304; title: Some General Principles, 275 — The Transmitting Antenna, 278 — Wire-Length and Wave-Length, 279 — The Electrical Current and Radio Resistance, 281 — The Matter of Inductance, 286 —The Question of "Capacity," 290— The Electromagnetic Combination, 292 — The Practical Electron Tube Transmitter, 294 — Details of a Powerful Amateur Station, 296— Other Transatlantic Transmitting Stations, 298— Transmission with Triode and Fleming Valve, 301— From Novice to Amateur, 303.; title: XI "Wired Wireless" 305-332; title: Not Radically Different from Receiving, 305 — How the Message Travels, 308 — Later Experiments, 311— The "Super-Phone," 317— Line Radio to and from Moving Trains, 321 — Direct Radio from Trains, 323.; title: XII Radio Control op Distant Apparatus 333-351; title: Mr. E. P. Glavin's Radio Car, 333— Radio- Directed Watercraft, 340 — Sending Pictures by Radio, 342— Prof. Kron's Newest Method, 347.; title: XIII The Advanced Amateur and His Problems 352-380; title: The Army of Young Amateurs, 352 — Secretary Hoover's Conference, 355— The New Army of Amateurs, 358 — Spanning the Atlantic, 359— The Successful Transatlantic Stations, 365— Some Open Problems, 366 — Other Long Distance Records, 370 — Looking Forward, 371 — Midget Receiving Outfits, 373— Portable Sets of the Future, 378.; title: XIV Radio as a Public Utility 381-397; title: Radio on a Kansas Farm, 381 — Speeches for the Folks Back Home, 383— The General Significance of Broadcasting, 386— An Expert's Opinion about Broadcasting, 389 — A College Course by Radio, 391 — Broadcasting Restrictions, 394.; title: ILLUSTRATIONS; title: A Wonderful Game for Boys Frontispiece; title: A Boy Who Knows the Radio Game 3; title: A Critical Listener 6; title: James Leo McLaughlin and His Prize Outfit 9; title: Diagrammatic View of the Prize Set 12; title: Essentials of the Radio-Receiving Apparatus and Their Symbols 15; title: Diagram or Hook-up of the Simplest Radio-Receiving Apparatus' 17; title: Dorothea and Alice Hanna 19; title: Edwin Amman and His Miniature Radio Receiver 20; title: Wireless on the Parasol in Paris 21; title: A Portable Receiver Requiring an Antenna Wire 23; title: Guglielmo Marconi 24; title: The Original Armstrong Regenerative Circuit 25; title: "Feed-Back" Armstrong 26; title: A Very Young Radio Expert 27; title: The Armstrong Super-Regenerative Receiver 29; title: Radio in the Home 34; title: Conventional Diagram of Radio Waves in the Ether 35; title: An Antenna System 37; title: A Well-Made Amateur Radio Outfit 39; title: Photographs of an Antenna System at Night 40; title: A Contrast in Electron Tubes, or Triodes 42; title: An Elaborate System of Antennae 43; title: Amateurs Installing a Radio Receiving Outfit in an Apartment 45; title: Where the WJZ Concerts Are Sent into the Air 46; title: A Cage Antenna, with Cage Lead-in 47; title: A Simple Radio-Receiving Outfit 51; title: A Clothes Line Aerial 53; title: Adjusting the Antenna Wire 54; title: Young Amateurs Putting Up an Antenna 56; title: Repairing the Antenna 57; title: A Somewhat Elaborate "T" Antenna 58; title: A Four-Strand Antenna of Inverted "L" Type 59; title: Details of Adjustment of Lead-in Wire from Antenna 61; title: Protection from Lightning 62; title: Lightning Switch 62; title: Details of Wiring of Antenna System with Particular Reference to Lightning Protection 63; title: An Inverted "L" Antenna Adjusted between a Tree and the Window Frame 64; title: An Inverted "L" Antenna Adjusted between Two Buildings 66; title: A Simple Tuning Coil or Inductance 70; title: Outline Drawing of the Simple Crystal-Detector Receiving Set 73; title: The Crystal Detector 78; title: The Mounting of a Simple Crystal-Detector Set 81; title: Schematic Diagram or Hook-Up of Simple Crystal-Detector Receiving Set 91; title: The Loose-Coupler and Its Symbol 93; title: Inductance Illustrated with a Loose-Coupler 95; title: The Vario-Coupler 96; title: The Variometer and Its Symbol 97; title: Spider Web Coil 98; title: A Receiving Set with Honeycomb Coil 99; title: Familiar Type of Variometer 103; title: Honeycomb Coils Detached 105; title: The Variable Condenser 107; title: Fixed Condenser and Its Symbol 108; title: Hook-Up with Loose Coupler and Variable Condenser 112; title: Loose-Coupler with Details of Construction 116; title: Details of Construction of Loose-Coupler 117; title: Semi-Diagrammatic Presentation of the Loose-Coupler Set, with Variable Condenser 121; title: The Loose-Coupler Receiving Set Ready for Operation 126; title: Dr. Lee De Forest 130; title: Various Types of Triodes 132; title: The Components of the Triode 134; title: The Storage Battery and Its Symbol 136; title: The "B" Battery and Its Symbol 138; title: Simple Triode Detector Hook-Up 140; title: The Flow of Electrons in the Triode 141; title: Triode Detector Hook-Up 147; title: Another Simple Triode Detector Hook-Up 149; title: A Complete Set of Symbols 152; title: Flow of Electrons in the Circuit of a Simple Crystal-Detector Radio-Receiver 156; title: Flow of Electrons in a Crystal-Detector Receiver with Loose-Coupler and By-Pass Phone Condenser 159; title: Flow of Electrons in the Circuits of a Triode Receiver 164; title: Flow of Electrons in the Circuits of a Triode-Detector Receiving Apparatus with "Feed-Back" Arrangement 165; title: Grid-Condenser and Grid-Leak Presented Pictorially and Symbolically 174; title: Flow of Electrons in the Circuits of a Triode-Detector Receiver with Grid-Condenser as Grid-Leak 175; title: Feed-Back Circuit with Tickler Coil 180; title: Regenerative Circuit with Honeycomb Coils 181; title: Another Type of Inductive Regenerative Circuit 183; title: Capacitive Feed-Back Circuit 184; title: Another Type of Capacitive Feed-Back 185; title: A "Standard" Regenerative Circuit 186; title: A Non-Regenerative Circuit Using a Potentiometer 187; title: Potentiometer and Rheostat 188; title: The Ultraudion Regenerative Circuit 189; title: Regenerative Circuit with Two-Stages of Audio-Frequency Amplification 191; title: Detector and Two-Step Audio-Frequency Amplifier 192; title: Jacks of Various Types, and Plug Shown in Diagrammatic Section 195; title: Showing How the Plug Inserted into the Jack Establishes Desired Circuits 196; title: The Characteristic Curve of the Triode 197; title: The Characteristic Curve of the Triode 199; title: Rectification of Modulated Current in the Triode 200; title: A Modern Radio Receiver on Shipboard 203; title: Testing the Antenna 207; title: Boys Using an Old Windmill for an Antenna Support 208; title: Circuit of a Receiving Set without Antenna 209; title: Using a Metal Clothesline 210; title: A Portable Antenna 212; title: Loop Aerials Used by the U. S. Signal Corps 213; title: A Gigantic Loop Aerial with Derrick Mounting 215; title: The Heart of a Radio Compass 217; title: Diagram of Receiving Apparatus with Loop Aerial for Direction Finder 218; title: The Marconi Radio Compass in Use 219; title: A Portable Direction-Finder 220; title: A Net that will Catch Mosquitoes or Radio Messages 222; title: A Self-Contained Radio Receiving Apparatus 224; title: Dr. Miller Operating His New Amplifier 225; title: Receiver with One-Step of Radio-Frequency Amplification 228; title: A Compact Amplifier in Portable Case 230; title: Interior View of the Compact Amplifier 230; title: Mr. Leo. J. Wallenstein, of the Radio Guild, New York, Testing an Amplifier with Loop Aerial 233; title: Circuit Diagram of Radio-Receiver with Two Steps of Radio-Frequency Amplification and Detector 236; title: Paul F. Godley (at Left) and Jack Binns 238; title: Circuit Diagram of the Armstrong Super-Heterodyne Receiver Used by Paul F. Godley in the Transatlantic Test 240; title: Slightly Different Type of Armstrong Super-Heterodyne Receiver 243; title: Making an Experimental Amplifying Radio Receiver 245; title: Hook-Up of an Amplifying Outfit with Two Steps of Radio-Frequency Amplification and Three Steps of Audio Frequency 249; title: Regenerative Circuit for Simultaneous Amplifying and Rectifying 250; title: Combination of Radio- and Audio-Frequency Amplification, with Detection, in One Tube 251; title: Major Armstrong's Super-Regenerative Receiver with Three Tubes 253; title: One of the Armstrong Super-Regenerative Circuits 255; title: Various Methods by which Major Armstrong Obtained Super-Regeneration 257; title: View from Above of an Armstrong Super-Regenerative Receiver, with Three Tubes, Made by Kenneth Harkness, of the Radio Guild, New Work 259; title: Another View of the Same Super-Regenerative Apparatus 259; title: Exterior View of Armstrong Super-Regenerative Receiver Made by Mr. Kenneth Harkness, of the Radio Guild 260; title: Hook-Up of One of the Armstrong Super-Regenerative Circuits Used by Mr. Kenneth Harkness, of the Radio Guild, in Building a Very Successful Receiver 264; title: Senator Guglielrao Marconi 269; title: An Apparatus for Reflecting Radio Waves 271; title: An Amateur Transmitting Outfit 277; title: Owners and Operators of the Amateur Station 1 BCG 283; title: Interior View of Station 1 BCG 285; title: The Most Powerful Valve Station 295; title: Circuit Diagram or Hook-Up of an Amateur Transmitting Outfit 297; title: Outlined Description of the Successful Transatlantic Stations 300; title: Major General Geo. O. Squier Testing His Wired Wireless Method 306; title: Major General Squier (at Left) Testing the Wired Wireless System 318; title: Radio from a Moving Train 325; title: A Train Equipped for Radio Work 327; title: The Lightning Plug Aerial 329; title: Mr. Glavin's Radio Car 335; title: Details of Construction of the Glavin Radio Car 336; title: The Radio Controlled Boat of Mr. John Hays Hammond, Jr 341; title: Apparatus for Transmitting Pictures by Radio 345; title: A "Close-Up" of the Apparatus for Transmitting Pictures by Radio 346; title: Professor Alfred Korn's Apparatus for Sending Pictures by Radio 348; title: A Picture Sent by Radio Code 349; title: Secretary Herbert E. Hoover Using a Radio Receiver 355; title: Senator Marconi and His Radio Set Aboard His Yacht 360; title: Marconi's Floating Laboratory, The Elettra 367; title: A Radio-Receiving Set in a Safety Razor Box 374; title: Details of Construction of a Miniature Set 375; title: A Radio-Receiving Set in a Watch Case 377; title: Another View of the Watch Case Radio-Receiving Set 379; title: The Only Woman-Member of Congress Appeals to Voters by Radio 385; title: Members of the Radio Faculty of Tufts College, Mass 392; title: Sending Government Statements by Radio from Washington 395; title: Mr. W. S. Houskeeper with his 100-Kilowatt Triode 396