The future development of aerostation is necessarily difficult to forecast.
But, I resumed, you seem to have valuable documents on aerostation?
The Chinese have been beforehand with us in all our inventions—printing, artillery, aerostation, chloroform.
We will conclude our work with a glance at aerostation as applied to warfare.
As we have seen, the triumph of aerostation was sudden and complete.
He closed a life devoted to the pursuit and advancement of aerostation in April, 1864.
The young man had drawn from his great coat a voluminous portfolio; it was a work on aerostation.
However trifling this experiment may appear at first sight, it added a new fact to the science of aerostation.
Charles created all the contrivances, or, in other words, all the ingenious precautions which make up the art of aerostation.
In the earlier days of aerostation, hydrogen presented strong temptations.