William James Frodsham, English clockmaker, 19th century.
© Science Museum / Science & Society Picture Library
Lithograph by Mis Ada Cole after a painting of William James Frodsham (1778-1850), shown here next to a chronometer. Frodsham was appointed master of the Clockmakers Company in 1836 and was a fellow on the Council of Royal Society. He went into partnership with William Parkinson to form the clockmakers company Parkinson & Frodsham.