1818-1984, lock and safe manufacturer, England, British Chubb and Son's Lock and Safe Company Limited 1818 - 1984
active 1818-1856, optician, optical, mathematical & philosophical instrument maker, London, England Watkins & Hill 1818 - 1856
active 1849-1886, optician, optical designer & optical instrument maker, French Duboscq, Jules 1817 - 1886
1818-1893, philosophical, chemistry & mathematical instrument maker; scale maker, London, England Oertling, Ludwig 1818 - 1893
1820-1886, marine engineer, Newcastle upon Tyne, Northumberland, England, British R & W Hawthorn 1817 - 1886
1818-1898, first Baron Playfair; politician; chemist, born in British-controlled India; British Playfair, Lyon 1818 - 1898
1817-current (2011), gold assayer; refiner of precious metal; chemical manufacturer, London, England Johnson Matthey plc 1817
1817-1835, printseller, barometer maker; optician; publisher; clock dealer; optical instrument dealer, Manchester, England Zanetti and Agnew 1817 - 1835
1817-1894, physiologist; neurologist, Mauritian-born, British Brown-Sequard, Charles Edward 1817 - 1894