I figured it out. The fogged glass comes out, which exposes the safelight and a 25 watt bulb. The exposing bulb had come loose, that's all. It works great, now. When the lid is closed, the safelight goes off, then the 25 watt comes on. Nothing but a metal box with bulb and switch, but a really cool one. I bet this thing will work with the right watt bulb and paper. Oh well, it's all for fun anyway. Regards