Physical description
Postcard: biplane flying over airfield. On bottom 'The 35 HP Avro biplane, winning the endurance prize at Weybridge in a high wind. 1 h.27m 32s. 17th. April, 1911.
Postcard: biplane flying over airfield. On bottom 'The 35 HP Avro biplane, winning the endurance prize at Weybridge in a high wind. 1 h.27m 32s. 17th. April, 1911.