1771-1831, mechanical engineer, tool maker & inventor; patentee English; British Maudslay, Henry 1771 - 1831
1688-1763, mathematical instrument maker; science lecturer, British; English Hauksbee, Francis 1604 - 1763
1704-1782, active 1738-1777, science lecturer, philosophical, mathematical & optical instrument maker, Chichester, Sussex; London, England, British Martin, Benjamin 1705 - 1782