Authentic map of Greater Manchester England published in 1842 by the famous British major-general and director of the Ordnance Survey Office Thomas Frederick Colby. Total size 23" X 18", without borders 14 1/2" X 13". Map is marked number 81 top right and was electrotyped in 1878. Bottom right information: "Engraved in the Tower of London at the Ordnance Map Office, the Outline by A. Baker, the Writing by J.A. Harrison, the Hills by A. Baker & Published by Colonel Colby F.R.S. L&E. M.R.I.A. & c. March 21st 1842". Map is still sturdy, has no tears, shows age but remains stable. Unframed, will be shipped flat in a waterproof package. Approx weight and box size: 1.4 kg, 25 X 20 X 1 1/2 inches.