of Spennymoor
- 1897 Company founded.
- 1913-1917 For a list of the models and prices of Marine Motors see the 1917 Red Book under S. and B. name.
- 1914 Advertisement says of Erith. Same company??
- 1914 Engineers, Toolmakers and General Machinists. Specialities: paraffin and petrol engines for all purposes, Smart's milling and wheel cutting attachments for the lathe, four-cycle engines and complete marine equipments using paraffin or petrol, engines for stationary purposes (petrol, paraffin or gas), S. and B. Motor Winch. [1]
- 1936 Private company.
- 1939 Name changed.
- 1961 Light manufacturing engineers, producing Hi-Craft fluorescent lighting and control gear. 3,700 employees. [2]