Originally Posted by
rootboy
A very eclectic collection of things on that shelf, RR. I like it. You look like a man of my own tastes. I've got to ask. What is that bulbous gizmo on the left hand side?
It's a '50s vintage microscope illuminator. I use it as a very bright source to clean telescope optics. The long glass thing on top is a 1966 American Optical model 3100 He-Ne laser plasma tube. Most of the cabinet is full of vintage laser & holography bits.