This model is representative ONLY of the desire to have a functioning signal light sharing the space with Mr. Hornface, the old Wall Clock and the Millstone. Though it is much more modern than the style we "hope" to find, it was one of the cleanest examples in 3D models that conveyed the right idea.
However, if possible, the search continues for a VINTAGE (beyond doubt) version of an antique signal light from either Switzerland or Europe. In the meantime, this "proxy" in place of what we might find will suffice to comunicate scale and location within the bottom floor of the Moulin de Rivendell ( Rivendell Mill ).
This is a modified version of a model by LED signal guy I found years ago : https://3dwarehouse.sketchup.com/social/model.html?id=70b0e9c8629e7e8683a3e53900c6cbba