Imperial Federation-Map of the world showing the extent of the British Empire in 1886. Statistical information furnished by Captain J.C.R. Colomb, M.P. formerly R.M.A. Mclure & Co. Queen Victoria Street, London. British territories coloured in red. (Published as) Supplement to ''The Graphic'', July 24th, 1886. (Inset) Map of the world showing the extent of British territories in 1786.