Gaumont-British Cinemas
1898 Gaumont-British was founded as the British subsidiary of the French Gaumont Film Company. (See L. Gaumont and Co).
1922 It became independent of its French parent when Isidore Ostrer acquired control of Gaumont-British.
In 1927 the Ideal Film Company, a leading silent film maker, merged with Gaumont.
1941 Bought by the Rank Organisation
G. B. Equipments, a subsidiary of Gaumont-British, made a number of 16-mm film sound projectors in Britain before and during the Second World War, including models such as the G.B.-Scope A and B, Grosvenor and G.B. K and L series.