For reference regarding "generations" of Marb flattops, see Jay's wonderful documentation here: http://forums.signaltraffic.com/viewtopic.php?f=16&t=5891
The reflector frames are resonably clean and sockets are in excellent shape. The original color of these signals was black. They were painted olive green and then eventually yellow. I only ended up with 7 good glass lenses (actually good for a Detroit signal). I will be ordering new visors from Steve and having everything blasted and powdercoated safety yellow.
Here are a few pictures - disassembly started today:







