How a pre-war floatplane racing series - saved by a private widow's check - became the crucible that produced the Spitfire and the Rolls-Royce Merlin engine.
How fifteen years of Schneider Trophy seaplane racing - and the genius of R.J. Mitchell - directly produced the Supermarine Spitfire that defended Britain in 1940.
The Schneider Trophy seaplane races of the 1920s and 1930s directly produced the engineering breakthroughs that made the Supermarine Spitfire - and Britain's survival in 1940 - possible.