Ah yes, fond memories of that mirrored contraption!
There were also wooden contraptions to strap on one's head with image-merging
mirrors in them. We had fun lining up equal-height friends and merging them.
But both of those did have the downside that getting engrossed in electron
density whi
the “best” I’ve found is stereo glasses and display side-by-side stereo.
When I was a graduate student in the Steitz lab a WHILE ago, there was a frame
built that fit over the Evans and Sutherland Ps2 and PS390 monitors (I said a
while ago :)) that carried two mirrors at 45 degrees at your eye
