Directions:

Salzgitter was the site of the manufactory where zinc preparations contained a yellow impurity which was researched by Stromeyer in Göttingen and found to be a new element cadmium. An overview map of Salzgitter includes the following:
RR Station, Bahnhofsplatz - N52 02.98 E10 22.31.
Hotel Ratskeller, the site of the historic salt works, the precursor to chemical works in Salzgitter, Marktplatz 10 - N52 02.82 E10 22.24.
Kurpark am Greif, the site of the manufactory - N52 02.38 E10 22.65.