Of late he had resumed his study of aerostatics, and was constructing another flying-machine.
He had the combination of two of the sections of pigeonholes, aerostatics and intelligence.
In aviation no less than in aerostatics the record of the United States is negligible.
Aeronautics is divided into two fundamentally different branches—aviatics and aerostatics.
The attempts which we are about to cite do not strictly belong to the history of aerostatics.
The invention of the barometer enabled men to extend the principles of mechanics to the atmosphere; and aerostatics existed.