Warp wrote:
>   I don't understand why calculating a few hundreds of divisions would
> take 2 minutes, even in the 70's.

It took 2 minutes to do four sets of shots.

The computer would construct one set of props, send them to the display 
hardware, and signal the camera to take a snapshot of it.  Rinse & 
repeat with 3 more sets of props to get a complete frame, all in about 2 
minutes.

So, 30 seconds to build the model & send it to the screen.  It still 
seems ridiculously slow, but this *was* 1976 :)

...Chambers

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