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John Kirkaldy Ltd, of 40 West India Dock Road, London (1871), works at Burnt Hill, Essex, Government contractors and engineers.
of 101 Leadenhall Street, London. (1919). 
previously John Kirkaldy and Sons
1883 Exhibited anti-fouling composition for ships - see John Kirkaldy and Son
1884 Introduced marine feed water heaters
1886 Dissolution of the partnership between John Kirkaldy, Thomas Kirkaldy, and James Kirkaldy, at West India Dock-road, Limehouse, and the Engine Works, Royal Albert Dock, and elsewhere, as Marine Engineers, Manufacturers of Fresh Water Distilling Plant, Feed Water Heaters, and Condensers, also as Boilermakers, Iron and Brass Founders, Ship Repairers, Coppersmiths, Tin and Iron Plate Workers, Blacksmiths, and Wholesale and Export Ironmongers, under the style of John Kirkaldy.
1887 John Kirkaldy (1853-1920) took on his father's firm which was incorporated as a limited company: John Kirkaldy Ltd.
1887 Equipment for water distillation for 2 Italian steamers
1888 Glasgow Exhibition. Showed feed heaters and his 'Compactum'. 
1894 Compact Evaporator and Distiller. Article and illustration. 
By 1905 has fitted distillation plant to over 250 vessels in the Royal Navy and to other ships
1920 Manufacturers of " Ace ” Marine Motors
1922 Mechanical Engineers. Managing Director: David Urquhart. Directors: Arnold Trinder and David Henderson. Secretary: E. J. Corpe. Manufacturer of evaporating and distilling machinery, feed heaters, condensers, pumps, evaporators, etc.