Ackermann and Co.Bauerkeller invented a type of relief printing for city maps called "geomontographie." The city blocks with buildings are raised in white, while streets, squares, parks & rivers are printed in colors. Includes "account of the population of London," and inset showing Isle of Dogs & Greenwich Park.61 x 109 centimetersJPEGUMN_ALMA:9951774350001701engAckermann & Co. (London)PublicBauerkeller's new embossed plan of London, 1841MapsUnited Kingdom--LondonUnited Kingdom1814University of Minnesota