Famous watchmakers

John Ellicot

1702 - 1772

John Ellicot

English clockmaker.

Watchmaker to the King.

Member of the Royal Society in London (admitted in 1738), of which he became a member of the Council for three years.

Invented a compensating pendulum, a variant of John Harrison's grid pendulum. Not perfectly smooth in its operation, it was not frequently used.

Key dates

1728 to 1729

Adoption of Georges Graham's cylinder escapement which he helped to popularise.

Construction of equation watches and clocks.

Construction of the London Hospital clock.