Limit of shunt indicator, used to indicate the limit of shunting within a single signal box section. This this marks the limit of shunting between box A up line and Box B. Located on model railway layout, gauge 1, Lancashire & Yorkshire Railway Signalling School, built 1912, by L&YR and Bassett-Lowke Ltd, with associated equipment. Lancashire & Yorkshire Railway Signalling School Model Railway Layout 1912
