Bristol Siddeley Nimbus, then Rolls-Royce Nimbus) (1958) See also Notes References External links The history of Blackburn Aircraft Ltd. British companies established in 1914 1960 disestablishments in England Companies based in the East Riding of Yorkshire Former defence companies of the United Kingdom Defunct aircraft engine manufacturers of the United Kingdom Defunct aircraft manufacturers of England Hawker Siddeley History of the East Riding of Yorkshire Vehicle manufacturing companies established in 1914 Vehicle manufacturing companies disestablished in 1960 1914 establishments in England