The Iron Horse. Robert Michael Ballantyne

      1

      Many readers may find it difficult to form an adequate conception of such a vast number as 307 millions. It may help one to some idea of it to know that, if a man were to devote himself to count it, one by one,—sitting down after breakfast counting at the rate of one every moment, and working without intermission for eight hours every day, excepting Sundays,—he would not conclude his task until the thirty-fifth year.