More information is at Profiles in History.
Built on a custom ladder frame chassis, many old world forms of car building were employed, and modern technology stepped in to created a vehicle which was both accurate enough to fool veteran and classic car experts, when held under the scrutiny of 70mm cinema cameras, and durable enough to withstand everything from driving in sand, cobbled streets and down staircases. The bonnet is crafted of polished aluminum; the boat deck is hand-crafted of red and white cedar built by boat builders in Buckinghamshire, and the array of brass fittings were obtained from Edwardian cars. Even the alloy dashboard plate is from a British World War I fighter plane!