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1899 The company was registered on 4 January, as the Trusty Engine Works, to acquire the business of oil and gas engine manufacturers of Weyman and Hitchcock.  They considerably increased the plant and machinery with a view to the manufacture of high class steam engines and general engineering work. In this direction they were very busy, orders being in hand for the former exceeding 2,000 hP.
1899 Exhibited the 'Trusty Engine' in the 1899 Crystal Palace Exhibition.
1900 June. Royal Agricultural Show at York. Showed the Trusty engine. 
1900 Paris exhibition. The Trusty Oil Engine Co showed an oil and a gas engine 
1900 The Trusty Engine Works formed an alliance with The Shillingford Works Co of Wallingford. 
1901 The name was changed to the Shillingford Engineering Co.