Table clock movement by Grignion & Son, London, prior to 1784. 11 inch silvered dial with sunk seconds dial and steel hands. Signed 'Grignion & Son London' within a sunk cartouche. Fusee movement of 8 day duration with a deadbeat escapement and short pendulum, and maintaining power. The escapement gives impulse on one pallet only. Presented to the museum of the Worshipful Company of Clockmakers by John Grant in 1875. Table clock movement with dead beat escapement by Grignion and Son 1740-1784
Dead-beat escapement model (full size) with wooden stand. Dead-beat escapement model (full size) with wooden stand
