An aeroplane with two pairs of wings set one above the other

The rope which attaches the anchor of spherical balloons.

An instrument for measuring the velocity of the wind.

An instrument to determine from the basket whether a balloon is ascending of descending relative to the surrounding air.

An instrument for measuring atmospheric pressure and determining altitude.

The angle that the chord of a wing makes with the direction of motion relative to the air. A particularly muddling term, as it is often measured as the distance in inches that the front spar is above [..]

The angle that the chord of a wing makes with the direction of motion relative to the air. A particularly muddling term, as it is often measured as the distance in inches that the front spar is above [..]

The sleeve on a balloon through which it is inflated; it also provides for the escape of gas from a spherical balloon as the gas expands.

Anti-aircraft fire

Metal hose connection between the cylinder and the manifold.