The Dewar Trophy was a cup donated in the early years of the twentieth century by Sir Thomas R. Dewar, M.P. a member of parliament of the United Kingdom, to be awarded each year by the Royal Automobile Club of England "to the motor car which should successfully complete the most meritorious performance or test furthering the interests and advancement of the industry".
Read more about Dewar Trophy: Winners, 1908 Trophy-winning Performance, 1909 Trophy-winning Performance