dirigible

If people die in the service of something that seems less noble, the space market as a whole could dry up as fast as the dirigible business did following the Hindenburg disaster.

The United States Naval Observatory even sent a radio receiver aloft on a dirigible to pick up a potential Martian message, with a cryptographer on hand in case translations were needed.

His only regret seemed to be that he, too, could not have a dirigible balloon and a countess—on ten francs a week!

For in the matter of mines the Boodah had all the advantages of a shore, and as to dirigible torpedoes more than all.

Efficient air gun as a weapon; improvements in army tents; improvements in dirigible balloons and aeroplanes for military uses.

Dirigible balloons are divided into three classes: the rigid, the semi-rigid, and the non-rigid.

The aeroplane, more than the dirigible and balloon, stands as the emblem of the conquest of the air.