First aviation exhibition in Britain, Crystal Palace, London, 1868.
© Science Museum / Science & Society Picture Library
Illustration showing the first exhibtion to deal with aeronautics in the UK, organised by the aeronautical Society, showing (in the rear) Stringfellow's triplane. John Stringfellow (1799-1883) was an English inventor who first became involved in aviation in 1843, when he designed a lightweight engine of 25-30 horsepower for William Samuel Henson's 'aerial Steam Carriage'. In 1868, Stringfellow designed the triplane, with its 'superposed' wings, shown in this illustration.