Does anyone know what the posts or signs are in this picture? Thanks Ray -- Attached file removed by Ecartis and put at URL below -- -- Type: image/jpeg -- Desc: 1715-35+OB_W-Library_1952xxxx_RSchramm.jpg -- Size: 158k (162673 bytes) -- URL : http://lists.dementia.org/files/pittsburgh-railways/02-1715-35+OB_W-Library_1952xxxx_RSchramm.jpg