air bearing spindle

I just bought one of the air bearing spindles that were being sold on ebay.
It is marked as follows:
Air Bearing LTD
Model AW125E/04 Serial No 0328
125,000 rpm (max)
200V-2084 Hz - 3.0A (max)
Made in England.

Since a number of these were sold, maybe someone else on this list has one?
Any idea how to hook one up?
Looks like inputs for air and water as well as 6 wires coming out.

There are no threads near the spindle nose, I'm not sure how the tools are
held.

It is fairly heavy.
Will try it out on my Taig mill, 125,000 rpm should do a good job engraving
and cutting PC board.

Next stop is the manufacturer, I'll share whatever info I get with anyone
interested.

Thanks.

Elliot B.
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