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Ernest Scott & Mountain of Newcastle-upon-Tyne.
Electrical and general engineers.
1890 Article and illustration of a combined engine and dynamo (Ernest Scott and Co).  The company was registered on 15 November, to take over the electrical and engineering business of Ernest Scott and Co in conjunction with William Charles Mountain
1891 Manufacturers of Electric Lighting and Triple Expansion Inverted Cylinder Mill Engines in 1891. 
1894 Catalogue of Electrical Plant and accessories. 
1900 Electric hauling gear for mines and cranes and combined engines and dynamos (late Ernest Scott and Co). 
1900 Published a book "Electricity in Country Houses" for prospective customers
1913 Acquired by C. A. Parsons and Co.