Concours d'Aviation de Douai
Douai, France, June 29th - July 18th 1909

Illustration sources:


The events
(1) Postcard (E. Baron)
(2) "La Vie au Grand Air"
(3) "La Revue AĆ©rienne"
(4) Postcard (BD)

The airfield
(1) "La Revue de l'Aviation"
(2) Postcard (unknown publisher)
(3) Unknown

The planes
(1) "La Vie au Grand Air"
(2) Postcard (ELD)
(3) SAFARA