Science Source ftp Apr 2015
EN_01170126_1163
A German invention to fill a barrage balloon by generating power using a converted tandem bicycle, 1914. A barrage balloon was a large balloon tethered with metal cables, used to defend against low-level aircraft attack by damaging the aircraft on collision with the cables, or at least making the attacker's approach more difficult. Some versions carried small explosive charges that would be pulled up against the aircraft to ensure its destruction.
2015-04-07
East News
Science Source
Photo Researchers
BZ7201
1,4MB
28cm x 31cm przy 300dpi
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