Chapter

1 III|   still moved. But nothing practical had been obtained. Against
2 III|    impossibility of making practical use of this mode of aerial
3 III|   comes along a project of practical utility the money leaps
4 IV |  lighter than the air is a practical matter. Well, now, look
5 IV |   possibility of finding a practical solution. When De Lucy showed
6 VI | disgust of these eminently practical men. But this conclusion
7 VII|   as we can foresee—a more practical utilization of electricity
8 XXI|   got it on this occasion. Practical people are the authorities
9 XXI|  was a flying machine, the practical application of the theory