Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,033 pages of information and 229,415 images on early companies, their products and the people who designed and built them.

John Dennis and Co

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of Ellonville, Dalkeith, Midlothian, Scotland

  • 1864 Company established.
  • 1901 Incorporated as a limited company.
  • 1914 Furnace and retort builders, chimney stack builders and contractors. Specialities: erecting shale oil retorts, gas retorts, chimney stacks, steam boilers, economisers and other furnaces. Employees 80 to 200. [1]

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