A fine R.A.F. Operations Room Sector Clock with painted dial divided into coloured triangles of red, yellow and blue for 2½ minute periods, plain hands, the mahogany case with convex surround and brass bezel with fusée movement stamped 16573 Made by W. Elliott Ltd. England 1941, the case with label inscribed in ink 'Repair 4 14" dial movement RAF Blease 8/1/49. Dial diameter - 14ins. (35.5cm.) Key.