Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 129,283 pages of information and 204,290 images on early companies, their products and the people who designed and built them.
Eclipse of Composite Steel Works, Napier Street, Sheffield. Telephone: Sheffield 24372-3. Cables: "Bentley's and A.B.C. Code, 6th Edition"
1889 James Neill, a successful accountant, turns to steelmaking and patents "composite" steel (steel-backed iron).
1929 Listed Exhibitor - British Industries Fair. Manufacturers of Combined Iron and Steel for Machine Knives, Dies, etc., Crucible Steel, Magnet Steel, etc. "Eclipse" Safety Razor Blades. "Eclipse" Hack Saw Blades and Frames. "Eclipse" Permanent Magnets. (Stand No. J.31) 
1937 British Industries Fair Advert for 'Eclipse' Non Electric Magnetic Chucks and Accessories. Also 'Eclipse' Hack Saw Blades and Frames; 'Eclipse' High Grade Crucible Steels. (Engineering/Metals/Quarry, Roads and Mining/Transport) 
1939 See Aircraft Industry Suppliers
1945 Advert for Eclipse tools including hacksaw blade and frames, pad handles, saw sets etc. 
1959 Patent - Improvements in or relating to tool-holders. 
1960s Acquired Peter Stubs.
1966 Patent - Improvements in or relating to saw-file handles. 
1968 Tool bits. 
1968 Sheffield Rolling Mills was formed as a company jointly owned by British Steel, Balfour and Darwins (38%) and James Neill Holdings (17%) to operate the Tinsley Park bar mills at Sheffield, which were 5 years old; the private sector companies would transfer work there from their older plant
1970 Public issue of shares by James Neill Holdings
1974 British Steel bought out its partners in Sheffield Rolling Mills
1985 Purchased Spear and Jackson
1989 Acquired by the MMG Patricof Group, which said it wanted to expand the business and refloat in c.5 years
1993 Known as Neill Tools
1995 The new company was renamed Spear and Jackson plc.