Société d’Histoire d’Yerres
Yerres Historical Society
us-flag25

The bombing of Paris

14/20
Anti-aircraft device
  • Based on sound detectors (represented by a grid in the northeast)
  • Projectors (stars)
  • Guns (red circles)
  • Fighter planes (not shown)
  • Balloons
  • False targets (hatched rectangles)
dispositif-antiaerien
⏪
⏸
 ⏩