Robert W. Blackwell and Co
of Victoria St, Westminster
of City Road, London
1890 Robert Winthrop Blackwell moved to the UK
1894 He founded the firm of Robert W. Blackwell and Co, which became a leading firm of merchants, manufacturers, engineers, and contractors.
1900 June. Tramways and Light Railways Exhibition at Islington. Large exhibit of items related to electrically-equipped vehicles and lines including poles, trolleys, insulators, trucks, conduits, fittings and an electric car to carry 53 passengers.
1903 Supplied 2 oil filters for the Chiswick Power Station