Vacuum Oil Company Ltd, of Caxton House, Westminster, London, SW1. Telephone: Whitehall 1010. Telegraphic Address: "Vacuum, 'Phone, London"
1866 The Vacuum Oil Company was founded in the USA by Matthew Ewing and Hiram Bond Everest
1899 the trademark Mobiloil was first used by Vacuum Oil in Britain.
1901 Vacuum Oil Company Ltd. was registered in 1901, a subsidiary of Vacuum Oil Company of Rochester, New York.
1903 Issued the book "Oil and Power".
1911 Manufacturer of Lubricating Oils for the Railways.
WWI Distributor of Mobiloil products
1931 Vacuum Oil Company of Rochester merged with the Standard Oil Company of New York to form Socony-Vacuum Oil Company Inc.
1937 Manufacturers and marketers of high-grade lubricating oils and greases. "Gargoyle" Aero Mobiloil and Mobilgrease. 
1937 Listed Exhibitor - British Industries Fair. Gargoyle Lubricants and Delvac Mechanical Lubricator. (Stand No. D.427) 
1950 Acquired the oil storage, blending packing business at Coryton of Cory Brothers and Co in exchange for shares in Vacuum Oil Co which would be held by Cory's parent Powell Duffryn; together with further investments, this would give Powell Duffryn and Socony-Vacuum Oil Co Inc of USA equal ownership of the Vacuum Co. An oil refinery would be built at Coryton, primarily for the production of lubricating oils.
1952 Entered the UK petrol market
1954 Mobil brand of petrol was introduced in the UK.
1955 The Vacuum Oil Company changed its name to Mobil Oil Co.