Regulators, Dynamometers, Pneumatic and Hydraulic machinery.
It is proposed to transport passengers by means of the pneumatic tunnel.
There was a sharp, distinct snap of a pneumatic pistol, and the thud of a bullet.
In 1772 he published his first paper on Pneumatic Chemistry.
He made a kind of pneumatic engine, by which he guessed the elasticity of the air.
This was ...