Chapter

1 III | progress had been made. For the steam engines of Henry Giffard,
2 III | desideratum which is known as a steam horse in a watch case. Gradually
3 III |     Uncle Prudent turned on the steam whistle, which did duty
4 IV  |         in a storm. In vain the steam whistle screamed its fanfares
5 VII |     planes and screws worked by steam. In 1845 came Cossus and
6 VII |       Ponton d’Amécourt and his steam helicopter, La Landelle
7 VIII|          throwing off masses of steam with grand effect.~“There