Historical Marker
Automatic Temperature Control System
Historical marker location:
507 East Michigan Street, Milwaukee, Wisconsin
( Marker is at the intersection of Michigan Street (U.S. 18) and Jefferson Street, on the right when traveling east on Michigan Street.)
Marker installed: 2008
1895. Historic Mechanical Engineering Landmark.
The first European to explore Wisconsin was Jean Nicolet, a French explorer who arrived in 1634. He was looking for a water route to Asia but instead encountered the Menominee Indians near Green Bay.