France 1938, remembering Clement Ader for his steam powered bat planes One of the great things about stamps is that they allow a country to show off interesting things that are going on there. Advanced countries possessed inventors changing the world and imagining the future. Here we have the story of Frenchman Clement Ader and his pre Wright brothers steam powered bat planes. So slip on […]
https://the-philatelist.com/20....25/02/04/france-1938