Chapter

1 VIII|      upon by three independent forces: the resistance of the air,
2 VIII|     Let us examine these three forces. The resistance of the air
3 VIII|  neutralizations of attractive forces, produced men in whom nothing
4 IX  |      must be the result of two forces, attraction and repulsion,
5 XIII|       the expansion of natural forces.~But the projectile had
6 XIV | exclaimed Michel Ardan, “which forces us to expend gas, instead
7 XVII|       when under the Plutonian forces.~The distance which separated