The Hugh Robinson monoplane is sometimes claimed to be the first American monoplane, this machine with a 30 hp engine was used for exhibitions in the Joplin and St Louis area in 1908.
Robinson 1908 monoplane
The Hugh Robinson monoplane is sometimes claimed to be the first American monoplane, this machine with a 30 hp engine was used for exhibitions in the Joplin and St Louis area in 1908.
All Aero 