English engine manufacturer. Engines were produced for motorcycles such as Brough Superior, Triumph, and HRD Motorcycles (the forerunner of Vincent Motorcycles). Founded in 1903 by John A Prestwich, the company was bought by Villiers in 1957.
English engine manufacturer. Engines were produced for motorcycles such as Brough Superior, Triumph, and HRD Motorcycles (the forerunner of Vincent Motorcycles). Founded in 1903 by John A Prestwich, the company was bought by Villiers in 1957.