Photograph taken from an album of images collected by English motorist, motor car manufacturer and aviator, Charles Stewart Rolls (1877-1910), showing two cars at the Portmarnock Speed Trials held in 1904. Rolls was a keen driver and was well known in the car world. He took part in many races of the time, including the 1000 Mile Trial (1900), which he won, and the 15,000 Mile Trial (1907). He founded Rolls-Royce Ltd with Sir Frederick Henry Royce (1863-1933) in 1906, creating one of the world's most famous motoring companies. His interests later moved to the aviation industry.
© Science Museum / Science & Society Picture Library