R. Haswell & Sons, London, England, astronomical regulator, 8 days, time only, weight driven movement, the heavy brass 4 pillar movement with break circuit mechanism designed to send pulses at one second intervals, Harrisons maintaining power, Graham deadbeat escapement with sapphire jeweled pallets, sapphire jeweled pallet arbor, escape wheel, and third wheel, all with endstones, the remaining mobiles with blued steel end pieces fusee type winding stop, crutch with fine beat adjustment, and compensated mercury pendulum, silvered astronomical dial, signed "R. Haswell & Sons, London, blued steel hands, and contained in a mahogany and glass display case with three glazed panels, the back now with added board with mounting brackets for the movement and pendulum, c1890