Holland Thompson, The Age of Invention: A Chronicle of Mechanical Conquest
“ The world today is on the eve of another great development in transportation, quite as revolutionary as any that have preceded. How soon will it take place? How long before Kipling's vision in "The Night Mail" becomes a full reality? How long before the air craft comes to play a great role in the world's transportation? We cannot tell. But, after looking at the nearest parallel in the facts of history, each of us may make his own guess. The airship appears now to be much farther advanced than the steamboat was for many years after Robert Fulton died. ”
