NAVIGATING THE AIR
Some mediæval traditions about airships, p. 266--The flying
machines devised by Leonardo da Vinci, p. 277--The flying
machine of Besnier, p. 228--The discovery of hydrogen gas and
its effect upon aeronautics, p. 230--The balloon invented, p.
231--The first successful balloon ascension, p. 232--Rozier, the
first man to make an ascent in a balloon, p. 235--Blanchard's
attempt to produce a dirigible balloon, p. 238--Hot-air
balloons and hydrogen-gas balloons, p. 240--Rozier, the first
victim of ballooning, p. 241--Progress in mechanical flight,
p. 244--Cocking's parachute, p. 245--Henson's studies of the
lifting power of plane surfaces, p. 246--The flying machine
of Captain Le Bris, p. 248--Giffard "the Fulton of aerial
navigation," p. 251--The flights of the _Giant_, p. 252--The
record flight of John Wise in 1859, p. 256--Early war balloons
and dirigible balloons, p. 257--The use of balloons during the
Franco-Prussian war, p. 258--The dirigible balloon achieved, p.
262--The dirigible balloon of Dupuy de Lome, p. 263--The aluminum
balloon of Herr Schwartz, p. 264--The dirigible balloons of Count
Zeppelin, p. 266--Early experiments of Santos-Dumont, p. 267.