Cover -- Half Title -- Title -- Copyright -- Contents -- Three Hundred Years Hence (1881) -- THE PHONOGRAPHER'S PREFACE -- Chapter I -- Chapter II -- Chapter III -- Chapter IV -- Chapter V -- Chapter VI -- Chapter VII -- Chapter VIII -- Chapter IX -- Chapter X -- Chapter XI -- Chapter XII -- A Crystal Age (1906) -- PREFACE TO THE SECOND EDITION -- I -- II -- III -- IV -- V -- VI -- VII -- VIII -- IX -- X -- XI -- XII -- XIII -- XIV -- XV -- XVI -- XVII -- XVIII -- XIX -- XX -- Authors and Editions