1813-1893 clockmaker; inventor of a chronoscope, German, active Switzerland Hipp, Matthias 1813 - 1893
active early 1800s, die-engraver; manufacturer of buttons; manufacturer of medals; manufacturer of tokens; medallist, British Halliday, Thomas 1780 - 1855
1859-1897, optical, mathematical & philosophical instrument maker, London, England, British Ross and Company 1859 - 1897
1840, scientific apparatus manufacturer; scientific apparatus dealer, Heidelberg, Germany, German C. Desaga 1840
1852-1959, manufacturer of agricultural chemicals (poisons and sheep dip), Berkhamsted, England Cooper, McDougall and Robertson Limited 1852
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
1856-1999, manufacturer of phosphorous; manufacturer of chemicals, Oldbury, England Albright and Wilson Limited 1856 - 1999