Aarau - “surveying capital” of Switzerland at the turn of the 19th century
Aarau: a city which, given the prominent role it played in the development of Switzerland’s modern national topographical surveys at the turn of the 19th century, could also be called the “capital of Swiss surveying”.

Federal Office of Topography swisstopo
Infodesk history
Seftigenstrasse 264
3084 Wabern
Seftigenstrasse 264
3084 Wabern