Multiplication Heights attained by various aeroplanes at the time of going to press compared with the height of St. Pauls' Cathedral from The boys' book of airships. The voyagers looking down upon the giant's caussway from The balloon travels of Robert Merry and his young friends over various countries in Europe.
Heights attained by various aeroplanes at the time of going to press compared with the height of St. Pauls' Cathedral from The boys' book of airships.
The voyagers looking down upon the giant's caussway from The balloon travels of Robert Merry and his young friends over various countries in Europe.
