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12 résultats pour : observation balloon

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Photograph of a Belgian military observation balloon used during the First World War
ARP23A11_193

Photograph of a Belgian military observation ballo...

Observation Balloon Being Constructed
ARP18A06_036

Observation Balloon Being Constructed

British military observation balloon with ground crew, during WWI
ARP18A07_057

British military observation balloon with ground c...

German observation balloon is taken near to the front line
ARP17A22_132

German observation balloon is taken near to the fr...

Biplanes of the Royal Flying Corps
ARP11A02_177

Biplanes of the Royal Flying Corps

French military manoeuvres
ARP11A01_264

French military manoeuvres

Battle of Fleurus 26 June 1794
ARP07113_010595P

Battle of Fleurus 26 June 1794

American military balloon unit
ARP07113_010696P

American military balloon unit

Joseph Louis Gay-Lussac
ARP07103_460000571

Joseph Louis Gay-Lussac

Leonid meteor shower
ARP07104_460001094

Leonid meteor shower

Dorothea Klumpke Roberts
ARP07104_460001171

Dorothea Klumpke Roberts

Exploits de l'aviateur francais Adolphe Pegoud
ARP07094_390000743

Exploits de l'aviateur francais Adolphe Pegoud