org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English PaulCornu at the controls of his helicopter. French PaulCornu aux commandes
org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English PaulCornu at the controls of his helicopter. French PaulCornu aux commandes
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English PaulCornu and the model of his helicopter in front
org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Jules Cornu at the wheel of the car designed and built with his son Paul. French
English PaulCornu and his father Jules aboard their ultra-light cart that they designed and built together, in Lisieux, in 1904. French PaulCornu et son