Signals In case power was lost, this manual signal could direct trains on and off the taconite trestle. Turning the pole would change the color of the light on top and the shape of the metal flags. Similar Images ...based on the tags: bokeh, cables, lights, rusty, signs, vignettes... The Daisy Rolling Mill has been heavily altered since it was built in the 1890s. Postcards and snapshots in a high elevator office. A typical large mine tunnel. You can just make out the narrow gauge rail. An original stencil-brushed sign. When you watch TV from the jars, it seems so much more real, they tell me. Two bin signs criss-cross in the North Annex. From my archives–the NorShor as an innocent gentleman’s club, called ‘the NorShor Experience’. Next to the pit in the maintenance shop is “The Wall”… where rail workers wrote about interesting happenings at Shoreham. There were bins with hundreds of spools in them in the basement.