1961. Maybach MD.330 turbo-charged and intercooled engine.
1964. Zeiss electron beam welding machine.
1964. Worktable, slideways and driving mechanism.
of Filton, Bristol and Coventry. Makers of aero-engines
1958 The company was formed from the merger of Bristol Aero Engines and Armstrong Siddeley Motors
1959 Bristol Siddeley Engines gained Bristol Cars as part of the merger
1961 Listed as designers and manufacturers of aircraft piston engines, gas turbine engines, and propeller turbine engines; industrial and marine and gas turbine engines; industrial, marine and rail traction diesel engines; motor cars; gas bearing compressors; beaver ball screws, ball ways and ball splines, and general engineering products. 25,000 employees. 
1961 Listed as a subsidiary of Bristol Aeroplane Co and the Hawker Siddeley Group. Employ 25,000 persons.
1960 The aircraft businesses of Blackburn and de Havilland became part of Hawker Siddeley.
1961 Bristol Siddeley acquired de Havilland Engines and Blackburn Engines.
1961 Employed 25,000 persons. Works at Filton and one subsidiary.
1961 Bristol Siddeley Engines picked up an idea of Frank Whittle's and set up Bristol Siddeley Whittle Tools to further develop the concept.
1966 The company was taken over by Rolls-Royce
Sources of Information