It looks like one from http://www.train-li-usa.com/store/yswitch-manual-p-61.html < Link To Train-Li-USA
The curved track across the black centre area is clamped on the right, and can be swung to meet any of the 5 stubs on the left.
It has some cunning features to keep the swing rails the 'same' length as their curve varies, look at the enlarged picture on the Train-Li page.
I built my own much simpler uncompensated (and cheaper) 4-way version -
The curved track across the black centre area is clamped on the right, and can be swung to meet any of the 5 stubs on the left.
It has some cunning features to keep the swing rails the 'same' length as their curve varies, look at the enlarged picture on the Train-Li page.
I built my own much simpler uncompensated (and cheaper) 4-way version -