Chapter

 1 I   |       other planet of the solar system. And so of necessity we
 2 IV  |         balloon, when on such a system nature has never constructed
 3 IV  |      foreign engineers. It is a system which was the cause of the
 4 IV  |       mythological Icarus —”~“A system,” replied Robur, “no more
 5 VI  |        toughened on the Siemens system—as after several blows it
 6 VII |       de Bacqueville designed a system of wings, tried it over
 7 VII |     Englishman Henson, with his system of inclined planes and screws
 8 VII |        1852 came Letur with his system of guidable parachutes,
 9 VII | helicopter, La Landelle and his system of combining screws with
10 VII |          Beneath the hull was a system of flexible springs to ease
11 XII |      What a superb orographical system! More than two hundred summits
12 XXII|    complete the experiment. The system of cellular balloons—analogous