Ellicott

Ellicott, John (1707-1772), a clockmaker and man of practical science in the 18th century. He was renowned for the beauty and excellence of his workmanship, and was appointed clockmaker to George III. In 1736 he made improvements in the pyrometer, in 1738 he became a F.R.S., and in 1739 he wrote papers on the influence of two pendulums on each other. Other of his contributions to science were essays towards the discovery of the laws of electricity; a compensated pendulum, experiments on the moon's motion, and an examination into the specific gravity of diamonds.