Zurich Then & Now map from Swisstopo, Switzerland’s national survey organization, with an excellent combination of two detailed topographic maps & two aerial photos, comparing presentation of the city at different stages in its development. One side shows the city & its environs on two topographic maps at 1:25, 000: a beautiful colour reproduction of Swiss Survey’s famous “ Dufourkarte” series drawn between 1846 & 1851, contrasting it with a map of the same area from 2007. On the reverse there are two aerial images at 1:16, 000: a black & white photo from 1931 with the same area photographed in colour in 2007. The accompanying text about the two topographic series & the two aerial imagery series is in French & German only. For the list of other titles in this series please click on the series link.