COLE - James Ferguson, London.

1799: born

l880: died

One of the finest makers of watches, clocks and chronometers.

Patented a detached escapement in 1821.

Invented in 1830 a 'resilient' lever escapement in which the pallets bank on the escapement-wheel-teeth,

in 1840 a 'double rotary' escapement

and in 1859 a lever escapement with negative draw.