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Early 1880s Messrs. Lucien Gaulard (also written as Goulard) and John Dixon Gibbs developed a transformer which could handle significant levels of power and was easy to manufacture to convert from the high voltage used for distribution to low voltage as necessary for use in electric lamps.
1882 Patent for a new system of distributing electricity, involving transformers in 1882, and, although their patent was upset in 1888 on the ground of its impracticability, the present method of using transformers for the distribution of electrical power was introduced in 1885, and shown at the Invention Exhibition in London in that year.
c.1883 The Lowrie-Hall system of electric lighting, using the Goulard-Gibbs transformer was deployed by Hammond and Co (Electrical Engineers) for Eastbourne Electric Lighting Co; Mr William Lowrie was the chief engineer of Hammond and Co
1884 The efficiency of the Gaulard and Gibbs apparatus was tested by Dr. Hopkinson
1884 Exhibited at the Turin Electrical Exhibition
1884 The National Company for the Distribution of Electricity by Secondary Generators had been established; Gibbs (and presumably Gaulard) was a director
1885 Extensive tests were made at the Turin Exhibition by Professor Galileo Ferraris
1886 Patent assigned to George Westinghouse
Despite opposition by many electrical engineers at the time, Gaulard and Gibbs developed the technology so that by the end of the 1880s it was the accepted method of distributing electricity.
By 1900 Gaulard had died but there continued to be legal cases about the patents.