A colorful boiler is a happy boiler! RotoGrate systems remove ashes from the boiler firebox by revolving the bottom of the system to let the fly ash drop into a hopper. This greatly increases boiler efficiency.
The Big Dipper brought its friends into view, and the best seat is 80-feet up.
In the Lime House, the sunset picked-up the last light of day to make this image. Lime is used in the beet sugar refinement process to reduce the acidity of the beet juice mixture.
Rogers Mine is one of the most structurally sound mines in the Iron River area that isn’t part of a museum.
Like many mill-style buildings of the time, the Twohy’s loading doors (in this case, the delivery wagon doors) opened to an elevator shaft. This design cut down on loading time, as long as the elevator was operational. Of course, if it was otherwise occupied, there could be no traffic through the exterior doors!
The copula stacks were fitted with scrubbers. Making metal is a very polluting activity.
This machine was last overhauled in February 1955, and last turned out Crepe silk, probably dress material.
The boilers are gone, but round brick portals remain where they used to meet the walls of the boiler room. Behind it appears to be the coal bunker itself.
The long control room overlooks giant caps where equipment was removed long ago.