South Eastern and Chatham Railway Walkers Rotary Train Describer Receiving Instrument ex North Kent East signal box with the following enamel description plates; MID KENT LOOP, NORTH KENT, DARTFORD LOOP, B'ARMS BRANCH, HITHER GRN SIDING, GREENWICH, BROMLEY N OR GROVE PARK, MID KENT, C'HURST LOOP and B'LEYHEATH. In excellent condition measures 9.5in diameter.