They also do much of the map-making. The "blimps" are the dirigible balloons, and perform important duties in tracking down the submarines. The Aeronautical Society maintains an experimental ...

The loss of "La Patrie," therefore, has brought out another distinct advantage of the flying machine over the dirigible balloon. It is gratifying to note that our War Department expects to ...

A large audience enjoyed his talk and the interesting views of balloons and aeroplanes which were shown. Professor Rotch prophesied the success of the aeroplane over the dirigible balloon as a ...

BERLIN, Dec. 10. -- Unterrified by the fate of "La Petrie," German dirigible balloon enthusiasts this week took steps for the organization of the Fatherland's first "Airship Club," the principal ...