The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co.Front matterReading editionChapter navigation9 reading sectionsGo to chapterChoose a chapter…Front matterThe Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co.B. C. BATCHELLER, B.Sc.PREFACE.THE Batcheller Pneumatic Tube System. ———————— CHAPTER I. A BRIEF HISTORICAL SKETCH.Chapter II · THE PNEUMATIC TRANSIT COMPANY AND THE FIRST PNEUMATIC TUBES FOR THE TRANSPORTATION OF UNITED STATES MAIL.Chapter III · THE SYSTEM AND APPARATUS OF THE BATCHELLER PNEUMATIC TUBE COMPANY.Chapter IV · FACTS AND GENERAL INFORMATION RELATING TO PNEUMATIC TUBES.Transcriber’s Notes:Beginning of this editionNext chapter →The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co.All chapters and sections (9)Opening pagesFront matterOther sectionsThe Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co.B. C. BATCHELLER, B.Sc.PREFACE.Chapters1234Other sectionsTranscriber’s Notes:THE MAIN POST-OFFICE, PHILADELPHIA.◇The Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co. →