Copper fuel tank, unsigned, England, 1910, for the Harold Hume Piffard Aeroplane E.N.V. Aero-engine type D (40hp), V8 cylinder, 1910 Copper fuel tank, unsigned, England, 1910, for the Harold Hume Piffard Aeroplane E.N.V. Aero-engine type D (40hp), V8 cylinder, 1910