What Is That?
Recently I’ve been inspired by a series of shows on the Discovery Channel to do some research on certain facets of machinery. It’s mind boggling the amount of interesting high tech machines that use low end tech! Whatever gets the job done, right?
So here’s the image of the day - don’t stare at it for too long :)

As usual, guesses in comments!

Looks like a drawbridge pivot
Lets see some more guesses here folks! Don’t tell me I stumped you yet
Motor control for a very large telescope?