Comment by ofalkaed
Went out into the garage and dug it out, it is a Telechron Mechanical Occlusion Display, here are a couple videos. First does a good job of showing how it looks when time changes, second is a 12 hour stream for the diehard.
Went out into the garage and dug it out, it is a Telechron Mechanical Occlusion Display, here are a couple videos. First does a good job of showing how it looks when time changes, second is a 12 hour stream for the diehard.