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 hydroelectric power plant in the United States was built in Appleton, Wisconsin in 1882.