A. S. Newman/Newman & SinclairCompany documents and patents: memorandum and Articles of Association of Newman & Sinclair Ltd (10 February 1910),Islington Borough Council Electricity Supply. Schedule and Contract ( 11 June 1915), Newman & Sinclair. Report of Male Employees over 16 years of age; Provisional Patent no. 21,588 with manuscript corrections and additions; United States patent no. 1771651; British patent no.s 23,506 (1909), 23,958 (1909), 171,256 (1920), 3122 (1915), 6778 (1913) and 172,519 (1920)