
Three canvas pipe sections, for the Harold Hume Piffard Aeroplane E.N.V. Aero-engine

Three pipe sections: rubber sheathed canvas 7/8” (32mm) interior diameter, unsigned, England, 1910-1911, for the Harold Hume Piffard Aeroplane E.N.V. Aero-engine type D (40hp), V8 cylinder, 1910