8 sets of numbered terminal posts, one common
Note the amber plastic and steel handle
Bottom view of the box
One of the plastic feet was broken; I replaced the front pair.
The center 4 screws hold the internals in place
Box with internals pulled out. This would make a nice case for another project.
contents removed, top view
Here is the underside.
This is clearly a 8 way switch that connects the common terminals to a selected pair
closeup of switch internals
As the rotary switch is turned, this roller moves.
There are detents in a metal disk which the roller drops into.
The corrosion on the roller assembly is interesting.
Why is there only corrosion on the shaft?