Model railway signal box, OO gauge, `Potters Bar', by Hornby, England, c 1960. Model "Potters Bar" railway signal box, c 1960 1955-1965
Signal box, South Eastern Railway, ex Borough Market Junction, London Bridge. Built in 1895 to standard South Eastern Railway design. Equiped with Westinghouse K frame in 1928. Closed in 1976, when London Bridge power box was opened. Borough Market Junction signal box 1895
