Help identify this table.

I purchased this table at an estate sale yesterday, but I still cannot find out exactly what the deal is with it. Here is the table, it is 5' X 10':



So it's some kind of Centennial snooker table, but beyond that I'm not sure. I didn't have a lot of time to examine it because I had to go to work, and the price was so ridiculous that I didn't really stop to think at all... I just wrote a check and left.

Since then I've been trying to do some research to prepare me for moving the thing out of a basement. Part of me wonders if the middle leg isn't a sign that the slate is thicker? Has anybody seen a table like this? Also, what kind of advice would you give a person who is planning on moving this? I'm pretty mechanically sound and I have the assembly manual, but I've never moved a table before.

Posted this in the main forum, but thought I'd copy it here, too. Just got back from the sale. I managed to strip it down to the slate, which confirmed my suspicion that it is, in fact, 1.5 inch think. The slabs are incredibly heavy, and I didn't hesitate to stop and call a professional. I'll be going back tomorrow with a moving van to assist them with the rest of the process. Here are a few of the pictures I took today (forgive me if they are too large):



Right before I dug in... I had a copy of the assembly manual handy, but it really didn't do me too much good. I found it almost impossible to unscrew the pockets, so I sorta skipped that step. I was careful, anyway.





Any idea on how to clean these up?



The castings are in pretty good shape, only a couple very slight dents along one of the long rails, hard to see. They are mostly just dirty, but I imagine that will clean up, right?



Any idea on the balls? No numbers on them, and I haven't measured them yet.







That's thick! Each of those pieces weighs about 400 pounds, I'd say.

Pretty exciting and overwhelming experience, so far. I've always wanted a nice, big, old table, but never thought I'd come across something like this, especially not for the price. I really don't have room for it, but will be putting it in storage for the time being while I decide what to do... the thought of fixing it up is incredibly tempting, but it may be wiser to sell it to somebody who is more prepared and capable of doing it justice. It's really an amazing table.