Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,947 pages of information and 228,874 images on early companies, their products and the people who designed and built them.
John Hadley (16 April 1682 – 14 February 1744)
of Tycho Brahe's Head, corner of Racquet Court, Fleet Street, London
George Adams (1704-1772) was succeeded in the business by his son, George Adams (1750–1795).
The Adams business was founded in 1735, and became very successful. George Sr. invented a number of mechanical improvements to microscopes. In 1746 he published the first edition of Micrographia Illustrata. George Adams Jr. was appointed instrument maker to George III and optician to the Prince of Wales. After George Junior's death, the business was continued by his brother, Dudley Adams (1762-1830), but production ceased c.1830.