active 1861-1900s, linear measure maker, Birmingham, England
active 1954-1999, science teaching apparatus manufacturer/ supplier, London, England
1828 - 1947
active 1828-1947, marine & aeronautical navigational instrument maker, London, England, British
1880 - 1995
1880-1995, laboratory equipment manufacturer (chemistry, physics), London, England
1901 - 1940
1901-1940, medical instrument manufacturer, London, England
1829 - 1928
active 1829-1928, surgical instrument maker, London, England
1875 - 1969
1875-1969, meteorological, aviation & surveying instrument manufacturer, London, England
1819 - 1999
1819-1999, submarine engineers, manufacturer of diving and breathing apparatus, United Kingdom
1960-1986, supplier of chemicals, Poole, England
J H Steward Limited
1887 - 1935
active 1887 -1920s?, manufacturer of leather goods, picnic baskets and silver, London, ENgland
1889 - 1999
active 1928-1954, laboratory apparatus; laboratory instrument maker, London, England
1660 - 1969
1660-1969, telecommunications company, Britain
1791 - 1871
1791-1871, mathematician; computer pioneer, England, English; British
1136 - 1206
1136-1206, active from 1181, engineer; inventor; author, Mesopotamian; Iraqi
1902
1902-current (2009), manufacturer of surgical instruments, London, England
1876 - 1999
1876-1999, manufacturer of microscopes, Vienna, Austria
1813 - 1979
1813-1979, manufacturer, Birmingham, Warwickshire, England, British
1963
active 1960s-1990s, linear measure (tapes & rules) manufacturer; England
1833 - 1883
1833 - 1883, inventor; engineer, British; English
1897 - 2012
active 1897-1968, laboratory apparatus and instrument maker, London, England
1888 - 1971
active 1888-1971, manufacturing chemist, Nottingham
GEC Alsthom Limited
1921
active 1921-1947, publisher of psychological assessments, American
1832 - 1922
active 1832-1922, optician & mathematical instrument maker, Dublin, Ireland
1944 - 1954
active 1944-1954, laboratory apparatus & instrument maker, London, England
1884 - 1991
1884-1991, button, badge and medal makers, Birmingham
Unknown - 1913
1700s-1913, mechanical engineer; manufacturer of scales and weighing machines, Liverpool, England
English Electric Company Limited
1919 - 1995
1919-1995, multimedia publisher, educational film makers, Chicago
1915 - 1945
1915-1945, camera manufacturer, London
1948 - 1969
active 1948-1969, optical instrument maker (spectroscopes etc.), London, England
active 1904-1973, supplier of wholesale chemicals & drugs, England, British
1878 - 1969
1878-1969, mathematical & scientific instrument maker, Manchester & London, England
1810
1810-c. 1960, poster printer; printer, Dunstable and London
1901 - 1967
active 1901-1980s, microscope & accessory manufacturer, Manchester, England
1873 - 1944
Muybridge, Florado Helios
1887 - 1979
active 1887-1979, laboratory apparatus & instrument maker, Glasgow, Scotland
active 1962, co-inventor of the felt tip pen, Japanese
1903
1903-, manufacturer of scientific instruments, Acton, London; Watford, England
1845 - 1978
1845-1978, engineers and machinery manufacturers, Salford and Manchester, England
1930 - 1978
1930s-1978, manufacturer of uniforms and helmets, England
1893
1893-current (2017), pharmaceutical manufacturer, England, British
active, 1900s-1968, optical instrument maker, Ealing, London, England
active 1910-1947, scientific instrument manufacturer & agent, London, England
active 1900-1990s, opticians, drawing & mathematical instrument maker, London, England
1958 - 1991
1896-1991, printer, London
1786 - 1901
1786-1901, brand name used to 1990s, cigarette manufacturer; tobacco company, Bristol, England
active, 1914/18-1950s, scientific instrument maker; scale maker, London, England
1853 - 1921
active 1853-1921, optical, mathematical, philosophical & electrical inst. maker, London, England
