Significats de captive balloons en anglès

The captive balloons, and other landmarks, enabled them to keep to their course.

With regard to observations from captive balloons much depends on circumstances.

In communicating between points on land, poles of great height can be used, or captive balloons.

We saw two captive balloons, used by the French to direct artillery fire on their enemies.

This lamentable deficiency was remedied in great measure by recourse to topographical photographs taken from the captive balloons.

The Germans used captive balloons, whose officers signaled the points in the Belgian defense at which they should aim.

By means of captive balloons, currents of electricity between the higher atmosphere and the earth are kept passing regularly.

Meanwhile, as captive balloons, the German and other armies used them for observation and the direction of artillery fire.

A dozen of those captive balloons which the soldiers call "sausages" formed an aerial semi-circle and kept watch.

A French flyer had dropped it that afternoon with intent to destroy one of the German captive balloons and its operator.

He saw high up in the air three captive balloons, from which some of Hooker's officers looked upon the Southern intrenchments.

We had no sooner taken wing than the aeroplane was sighted by German observers in captive balloons anchored about six miles distant.

Hooker, still in command, was watching on the heights across the river, and there were the captive balloons hovering again in the sky.

At dawn on the second day an artillery duel began across the embankment, the German fire being corrected by observers in captive balloons.

Germany was somewhat later in the field; the military value of captive balloons was not appreciated and taken into serious consideration here until 1884.

Nothing more: wisps of smoke, brief flashes visible even in broad daylight, and a string of captive balloons, motionless and observant witnesses of all.