Era 3 - The Big Four (1923-1947) Era Model Railway & Train Magazines

Era 9-Post privatisation (1995 onwards) Model Railway & Train Magazines

Era 7-British Rail (1971-1982) Era Model Railway & Train Magazines

Era 5-British Railways (1957-1966) Era Model Railway & Train Magazines

Era 6-British Rail (1967-1971) Model Railway & Train Magazines

Era 8-British Rail Sectorisation (1982-1994) Model Railway & Train Magazines