When you came into work, you'd put the pin in "your" number space and push it down. It would ring a bell and stamp a roll of paper (inside) that would show the time next to your number. Check out after work the same way.
Mike Libby is a Maine-based artist who glues old watch parts on dead bugs to create steampunk looking insects. Which actually seem pretty cool until you realize that this is what robots will really look like in a few.