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Radio Boys Trailing a Voice; Or, Solving a Wireless Mystery

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<div class='ce'> THE RADIO BOYS TRAILING A VOICE </div> <hr class='silver' /> <div class='figcenter'> <ANTIMG src='images/illus-fpc.jpg' alt='' title='' /> THE MAN WAS EVIDENTLY RECEIVING A MESSAGE. The Radio Boys Trailing a Voice. Page 153 </div> <hr class='silver' /> <div class='ce'> THE RADIO BOYS SERIES </div> <hr class='minor' /> <div class='ce'> (Trademark Registered) THE RADIO BOYS TRAILING A VOICE OR SOLVING A WIRELESS MYSTERY BY ALLEN CHAPMAN AUTHOR OF THE RADIO BOYS’ FIRST WIRELESS THE RADIO BOYS AT MOUNTAIN PASS RALPH OF THE ROUNDHOUSE RALPH ON THE ARMY TRAIN, ETC. WITH FOREWORD BY JACK BINNS ILLUSTRATED       NEW YORK GROSSET & DUNLAP PUBLISHERS </div> <hr class='minor' /> <div class='ce'> Made in the United States of America </div> <hr class='silver' /> <table summary='books for boys' style='margin:auto; border: 1px solid black; padding-left:1em; padding-right:1em;'> <tr><td colspan='2' style='text-align:center; font-size:1em;'>BOOKS FOR BOYS</td></tr> <tr><td colspan='2' style='text-align:center; font-size:1.2em; font-variant:small-caps;'>By Allen Chapman</td></tr> <tr><td colspan='2' style='text-align:center'><hr style='border:none; border-bottom:1px solid black; width:30%' /></td></tr> <tr><td colspan='2' style='text-align:center'>12mo. Cloth. Illustrated.</td></tr> <tr><td colspan='2' style='text-align:center'><hr style='border:none; border-bottom:1px solid black; width:30%' /></td></tr> <tr><td colspan='2' style='text-align:center; font-weight:bold;'>THE RADIO BOYS SERIES</td></tr> <tr><td colspan='2' style='text-align:center; font-size:0.8em;'>(Trademark Registered)</td></tr> <tr><td>THE RADIO BOYS’ FIRST WIRELESS     Or Winning the Ferberton Prize</td></tr> <tr><td>THE RADIO BOYS AT OCEAN POINT     Or The Message that Saved the Ship</td></tr> <tr><td>THE RADIO BOYS AT THE SENDING STATION     Or Making Good in the Wireless Room</td></tr> <tr><td>THE RADIO BOYS AT MOUNTAIN PASS     Or The Midnight Call for Assistance</td></tr> <tr><td>THE RADIO BOYS TRAILING A VOICE     Or Solving a Wireless Mystery</td></tr> <tr><td colspan='2' style='text-align:center'><hr style='border:none; border-bottom:1px solid black; width:30%' /></td></tr> <tr><td colspan='2' style='text-align:center'>THE RAILROAD SERIES</td></tr> <tr><td>RALPH OF THE ROUNDHOUSE     Or Bound to Become a Railroad Man</td></tr> <tr><td>RALPH IN THE SWITCH TOWER     Or Clearing the Track</td></tr> <tr><td>RALPH ON THE ENGINE     Or The Young Fireman of the Limited Mail</td></tr> <tr><td>RALPH ON THE OVERLAND EXPRESS     Or The Trials and Triumphs of a Young Engineer</td></tr> <tr><td>RALPH THE TRAIN DESPATCHER     Or The Mystery of the Pay Car</td></tr> <tr><td>RALPH ON THE ARMY TRAIN     Or The Young Railroader’s Most Daring Exploit</td></tr> <tr><td colspan='2' style='text-align:center'><hr style='border:none; border-bottom:1px solid black; width:30%' /></td></tr> <tr><td colspan='2' style='text-align:center'>GROSSET & DUNLAP, Publishers, New York</td></tr> </table> COPYRIGHT, 1922, BY GROSSET & DUNLAP <hr style='border:none; border-bottom:1px solid black; width:30%' /> The Radio Boys Trailing a Voice <hr class='silver' /> <div class='ce'> FOREWORD <div style='margin-top:1em'></div> BY JACK BINNS </div> Within a comparatively short time after this volume is published the human voice will be thrown across the Atlantic Ocean under conditions that will lead immediately to the establishment of permanent telephone communication with Europe by means of radio. Under the circumstances therefore the various uses of radio which are so aptly outlined in it will give the reader an idea of the tremendous strides that have been made in the art of communicating without wires during the past few months. Of these one of the most important, which by the way is dealt with to a large extent in the present volume, is that of running down crooks. It must not be forgotten that criminals, and those criminally intent are not slow to utilize the latest developments of the genius of man, and radio is useful to them also. However, the forces of law and order inevitably prevail, and radio therefore is going to be increasingly useful in our general police work. Another important use, as outlined in this volume, is in the detection of forest fires, and in fact generally protecting forest areas in conjunction with aircraft. With these two means hundreds of thousands of acres can now be patrolled 215 in a single day more efficiently than a few acres were previously covered. Radio is an ideal boy’s hobby, but it is not limited to youth. Nevertheless it offers a wonderful scope for the unquenchable enthusiasm that always accompanies the application of youthful endeavor, and it is a fact that the majority of the wonderful inventions and improvements that have been made in radio have been produced by young men. Since this book was written there has been produced in this country the most powerful vacuum tube in the world. In size it is small, but in output it is capable of producing 100 kilowatts of electrical power. Three such tubes will cast the human voice across the Atlantic Ocean under any conditions, and transmit across the same vast space the world’s grandest music. Ten of these tubes joined in parallel at any of the giant transmitting wireless telegraph stations would send telegraph code messages practically around the world. <div class='figcenter'> <ANTIMG src='images/illus-sig.png' alt='' title='' /> </div> <hr class='silver' /> <div class='ce'> CONTENTS </div> <table border='0' width='400' cellpadding='2' cellspacing='0' summary='Contents' style='margin:1em auto;'> <tr> <td valign='top' align='right'>I.  </td> <td valign='top' align='left'>Splintering Glass  </td> <td valign='bottom' align='right'>9</td> </tr> <tr> <td valign='top' align='right'>II.  </td> <td valign='top' align='left'>In a Dilemma  </td> <td valign='bottom' align='right'>20</td> </tr> <tr> <td valign='top' align='right'>III.  </td> <td valign='top' align='left'>The Stuttering Voice  </td> <td valign='bottom' align='right'>31</td> </tr> <tr> <td valign='top' align='right'>IV.  </td> <td valign='top' align='left'>A Puzzling Mystery  </td> <td valign='bottom' align='right'>43</td> </tr> <tr> <td valign='top' align='right'>V.  </td> <td valign='top' align='left'>Marvels of Wireless  </td> <td valign='bottom' align='right'>51</td> </tr> <tr> <td valign='top' align='right'>VI.  </td> <td valign='top' align='left'>The Forest Ranger  </td> <td valign='bottom' align='right'>61</td> </tr> <tr> <td valign='top' align='right'>VII.  </td> <td valign='top' align='left'>Radio and the Fire Fiend  </td> <td valign='bottom' align='right'>70</td> </tr> <tr> <td valign='top' align='right'>VIII.  </td> <td valign='top' align='left'>Near Disaster  </td> <td valign='bottom' align='right'>77</td> </tr> <tr> <td valign='top' align='right'>IX.  </td> <td valign='top' align='left'>A Happy Inspiration  </td> <td valign='bottom' align='right'>83</td> </tr> <tr> <td valign='top' align='right'>X.  </td> <td valign='top' align='left'>The Escaped Convict  </td> <td valign='bottom' align='right'>91</td> </tr> <tr> <td valign='top' align='right'>XI.  </td> <td valign='top' align='left'>Down the Trap Door  </td> <td valign='bottom' align='right'>99</td> </tr> <tr> <td valign='top' align='right'>XII.  </td> <td valign='top' align='left'>Groping in Darkness  </td> <td valign='bottom' align='right'>106</td> </tr> <tr> <td valign='top' align='right'>XIII.  </td> <td valign='top' align='left'>Cunning Scoundrels  </td> <td valign='bottom' align='right'>112</td> </tr> <tr> <td valign='top' align='right'>XIV.  </td> <td valign='top' align='left'>A Daring Holdup  </td> <td valign='bottom' align='right'>119</td> </tr> <tr> <td valign='top' align='right'>XV.  </td> <td valign='top' align='left'>Off to the Woods  </td> <td valign='bottom' align='right'>127</td> </tr> <tr> <td valign='top' align='right'>XVI.  </td> <td valign='top' align='left'>Put to the Test  </td> <td valign='bottom' align='right'>136</td> </tr> <tr> <td valign='top' align='right'>XVII.  </td> <td valign='top' align='left'>The Bully Gets a Ducking  </td> <td valign='bottom' align='right'>143</td> </tr> <tr> <td valign='top' align='right'>XVIII.  </td> <td valign='top' align='left'>A Startling Discovery  </td> <td valign='bottom' align='right'>151</td> </tr> <tr> <td valign='top' align='right'>XIX.  </td> <td valign='top' align='left'>The Robbers’ Code  </td> <td valign='bottom' align='right'>160</td> </tr> <tr> <td valign='top' align='right'>XX.  </td> <td valign='top' align='left'>On the Trail  </td> <td valign='bottom' align='right'>168</td> </tr> <tr> <td valign='top' align='right'>XXI.  </td> <td valign='top' align='left'>The Glimpse Through the Window  </td> <td valign='bottom' align='right'>177</td> </tr> <tr> <td valign='top' align='right'>XXII.  </td> <td valign='top' align='left'>A Nefarious Plot  </td> <td valign='bottom' align='right'>185</td> </tr> <tr> <td valign='top' align='right'>XXIII.  </td> <td valign='top' align='left'>Preparing an Ambush  </td> <td valign='bottom' align='right'>193</td> </tr> <tr> <td valign='top' align='right'>XXIV.  </td> <td valign='top' align='left'>Lying in Wait  </td> <td valign='bottom' align='right'>202</td> </tr> <tr> <td valign='top' align='right'>XXV.  </td> <td valign='top' align='left'>An Exciting Struggle  </td> <td valign='bottom' align='right'>208</td> </tr> </table> <hr class='silver' /> <div>9</div> <div class='ce'> THE RADIO BOYS TRAILING A VOICE </div> <div style='margin: auto; text-align: center; padding-top: 2em; padding-bottom: 1em'> <div style="break-after:column;"></div>

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