Map of Calcutta published under the supervision of the Society of the Diffusion of Useful Knowledge, London 1842. On paper size 10 by 34 cm. Scale 3 inches to the mile. Hand-coloured. Includes vignettes of Government House, Esplanade Row and Writers Buildings. There is a key to 17 public buildings that appear on the map including police and stamp offices, warehouses, hospitals, banks, schools etc. and another key to 12 churches and chapels in the city. A detailed map in VG condition.