Don't know about early nineties, but I used a Haas from the mid eighties (their first effort, I believe). It was basically a Yuasa indexer with motor and control which could be activated with an M code. All the steps had to be punched into the Haas control (incremental moves only).
It wasn't extremely accurate or rigid, but that was understandable and predictable, given the price and nature of the hardware. The real bummer was the fact that coolant would get inside the unit and shut it down.
After a relatively brief tour of duty in the shop, the Haas went up on the shelf and stayed there.


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