1818-1893, philosophical, chemistry & mathematical instrument maker; scale maker, London, England Oertling, Ludwig 1818 - 1893
1813-1893 clockmaker; inventor of a chronoscope, German, active Switzerland Hipp, Matthias 1813 - 1893
1821-1912, shipbuilders; marine engineers; mechanical engineers, Greenwich & Southwark, London, England, British J and G Rennie 1821 - 1912
1790-1970, textile machinery, amunition and bomber wing manufacturer, Bolton, England Dobson and Barlow Limited 1790 - 1970
1795-1846, inventor of lawn mower, Stroud, Gloucestershire, England, British Budding, Edwin 1795 - 1846
active 1817-1841, optical instrument maker; mathematical instrument maker; scientific instrument maker; manufacturer of waterproof fabrics; manufacturer of chemicals, Italian Ronchetti, Charles Joshua 1790 - 1850
active 1845-1861, optician, philosophical instrument maker, Liverpool, England Chadburn, Charles Henry 1815 - 1890
1800-1884, co-inventor of diving equipment; submarine engineer, British; English Deane, John 1800 - 1884
1792-1871, mathematician and astronomer, English; British Herschel, Sir John Frederick William 1792 - 1871