1901 - 1940
1901-1940, medical instrument manufacturer, London, England
1904 - 1973
1904-1973, supplier of wholesale chemicals & drugs, England, British
1901 - 1988
Wright, Elsie
1908 - 1935
first patient to receive insulin injections
1907 - 1986
Griffiths, Frances
1907
1907-1992, Button Makers, Birmingham
1913 - 1947
1913-1947, scientific instrument maker, Glasgow, Scotland & London, England
1905 - 1968
active 1900-1960s, manufacturer of electrical measuring equipment, Hendon, England
1902 - 1990
active 1902-1990, surgical and medical equipment maker, Leeds, England
1919 - 1995
1919-1995, multimedia publisher, educational film makers, Chicago
1901 - 1987
1901-1987, electrical & electronic engineering equipment manufacturer, England, British
1901 - 1951
1901-1951, optical, lens, camera and cinematographic equipment manufacturer, Birmingham
1912
1891-active 1940s, silversmith; medalmaker, England
1915 - 1945
1915-1945, camera manufacturer, London
1910 - 1977
Walter, William Grey
1914 - 1991
1914-1991, radio and communications manufacturer, Massachusetts
1919 - 1965
1919- c1965, electrical instrument manufacturer, Weybridge, Surrey
1901 - 1967
active 1901-1980s, microscope & accessory manufacturer, Manchester, England
1899 - 1922
1899-1922, railway company, Kent
1915 - 1960
1915-1960, aircraft manufacturer, Hayes, Middlesex; Stockport, Cheshire; Hamble, Hampshire, England, British
1919 - 1972
(1839)1919-1972, photographic retailer; pharmacist, London, England
1909 - 1926
1909-1926, camera maufacturer, German
1912 - 1993
active, c. 1930 - current (2009), manufacturer of water purification equipment, United Kingdom
1899 - 1986
Cantlie, Kenneth
1903
1903-, manufacturer of scientific instruments, Acton, London; Watford, England
1899
1899-present, manufacturers, London
1913 - 1984
1913-1984, photographer, British
1919
active from 1919-?, manufacturer of chiropodic and electro-therapeutic equipment, London, England
1906 - 1912
1906-1912, railway, Grimsby
1913 - 1960
1913-1960, electrical switchgear manufacturer, Openshaw, Manchester
1915 - 1922
1915-1922, scientific instrument maker, London, England
1920 - 1958
1920-1958, crystallographer, British; English
1899 - 1969
Cochran and Company (Annan) Limited
1911
Switchgear & Cowans Ltd
1900 - 1907
1900-1907, camera manufacturer, Rochester, United States
1902 - 1952
1902-1959, battery manufacturers, Cleveland
1910 - 1999
1910-1999, first woman to receive a breast implant in Britain (1967), English
1920 - 1981
1920-1981, manufacturer of machinery, Bad Homburg, Germany
1904 - 1945
active 1904-1948, optical instrument maker (spectroscopes etc.), London, England
1920 - 2007
Shipton, Harold William
1906 - 1938
1906-1938, flatware maker; silversmith, London, England
1918 - 1967
1918-1967, steel and coal manufacturer, South Yorkshire and Lincolnshire
1907 - 1996
1907-1996, artist; illustrator, English; British
1910
1910-current (2009), camera manufacturer, cinematography, video equipment and accessories, British
1920 - 1970
active 1920-1970, manufacturer of pharmaceuticals; chemical manufacturer, UK subsiduary of Swiss co
active 1916-1972, telegraphic, telephonic and telecommunication equipment manufacturer, Glasgow, Scotland; Croydon, Surrey, England, British
1915
1915-?, engineering group, British
1904 - 1949
active about 1904-1949, manufacturer of pharmaceutical and veterinary preparations, London, England
1908 - 2007
active 1908-2007, science teaching measuring instrument manufacturer, Manchester, England
1916 - 1997
Wood, Kenneth Maynard