GNR mahogany cased Telegraph Instruments, a pair, one ex Louth Signal Box bearing the side circuit card 'Alford to Grimsby and listing the following locations:- Alford, Aby, Legbourne Road, Louth South, Louth North, Ludboro, North Thoresby, Holton-le-Clay, Waltham, Hainton Street, Grimsby Goods Junction, Grimsby Garden Street. The second has no card but is known to have originated from North Thoresby. Both in extremely good, ex box condition.