London North Eastern Railway, Up Line, Down Line Block Instrument. Mahogany cased with central switch beneath the dual dial. The 3 position switch has a circular brass backplate embossed in three segments 'Train On Line', 'Line Clear' and 'Line Blocked'. Small piece of wood has become detached but is taped to the base ready to be re-glued in place. Believed ex Woodston Junction Signal Box.