Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,961 pages of information and 228,875 images on early companies, their products and the people who designed and built them.
of Western Shore, Southampton, Hampshire.
1920 Pirelli transferred its industrial activities to Pirelli SpA of Milan and Societe Internationale Pirelli SA (SIP) of Basle.
1936 Development of co-axial cable by Pirelli-General would allow, in principle, up to 200 conversations on one circuit.
1937 Advert in British Industries Fair Catalogue as Maker of C. M. A. (Cable Makers' Association) Cables. Manufacturers of Electric Wires and Cables for all purposes.(Electricity: Industrial and Domestic).
1937 Electrical cable and wire manufacturers.
1961 Manufacturers of all types of electric wires and cables, covered conductors, oil-filled cables, telecommunication cables, co-axial cables, power cable accessories, telephone distribution equipment, overhead line fittings, radio and transmission towers, overhead railway electrification contractors, cable installation engineers. 5,500 group employees. 
1962 GEC's 50 per cent shareholding in Pirelli-General continued until 1962, when Pirelli acquired most of the shares owned by GEC, following a major reorganisation within that company.
1969 Pirelli-General Cable Works and Enfield-Standard Power Cables would set up a joint company to rationalise production, under the stimulus of the Industrial Reorganisation Corporation. Pirelli had a modern plant at Eastleigh