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Falk, Stadelmann and Co Ltd. of 91 Farringdon Road, London, EC1. Telephone: Holborn 7654. Telegraphic Address: "Lamps, London". (1937)
1881 Company established. See Salomon Falk
1882 His first sales list was dated 16th January, when he stated he had set up as a Manufacturer's Agent and Importer having supplied his clients for six years prior to that date. It is not known if he was, in those six years, working for Stadelmann's from Germany on his own account, or for the previous four years in Germany for a firm called Ungers in England.
1885 Salomon Falk was granted permission to give up his Wurttenberg nationality and to live permanently in England.
1887 The directors of Falk, Stadelmann and Co were Mr S. Guiterman, Chairman, Salomon Falk, Managing Director, and Bernhardt Thurnauer, permanent Director. Incorporated as a limited company.
1888 Glass manufacturers and importers of gasfittings, paraffin lamps, glasses, chimneys, gas burners
1908 Company made private.
1914 Manufacturers of all material used in connection with lighting and heating. Specialities: oil lamps, gas mantles, electric lamps. Employees 900. 
Falk, Stadelmann developed into the largest oil lamp company in Britain, taking over famous names like James Hinks and Son around 1920.
The German Veritas trademark was made available to Falk, Stadelmann in London, initially for gas lamp mantles.
The brand was to became a major name in the interwar years in the UK, when Falk, Stadelmann marketed all kinds of wick and candle lamps.
1928 Incorporated as a public company. Manufacturing facilities included:
In the 1930s the firm employed around 3,000 people.
1937 Listed Exhibitor - British Industries Fair. Veritas Perfection and Quick Meal Oil Cooking Stoves. Blue Boy and Blue Ace Oil Stoves. Cooking Stoves for caravan use. Puritan Oil Heating Stoves. (Stand No. 506) 
1944. 'Mr Max Falk has retired from the chairmanship of the Company, but retains his seat on the Board. Mr Gustav Falk has been appointed chairman of the Company, and will retain his position as joint managing director.'
1961 Manufacturers of incandescent gas mantles, electric cables; electric bells and bell indicators, neon luminous cable signs; lighting fixtures; industrial light reflectors; heating and cooking appliances for gas, electricity and petroleum. 
Falk Stadelmann's final decline occurred after poor trading years in the late 1960s. It was taken over by Jessel Investments, who sold off all property and ceased manufacturing activities.