Grosvenor Engine Works
Grosvenor Engine Works, Pimlico
James Simpson trained his younger brother William Simpson (1809-1864) in engineering and aided him in the operation of a steam engine company in Pimlico, London[1]. James introduced innovations to steam engines, including increasing their efficiency.
1830s William, Thomas's 6th son, ran the family's engine manufactory at Pimlico[2], Simpson and Co at Grosvenor Engine Works.
Lauchlan Alexander Entwistle Mackinnon served a 2 year apprenticeship to James Simpson, Past-President Inst. C.E., at the Grosvenor Engine Works, Pimlico.
1863 William Simpson (1809-1864) left the company to set up his own business near Woolwich.
1863 R. J. Billinton moved to Simpson and Co, engineers of Pimlico, where he stayed for 7 years until moving to the LB&SCR.
1906 Contract for supplying, delivering and erecting proposed new pumping plant at the proposed New Waterworks Pumping Station, Clapham Road, Bedford, by James Simpson and Co Ltd, Engine Works, Grosvenor Road, London[3].