Tell us about yourself!
This would have been a good idea for people interested in voice chatting with strangers and then actually seeing who they're talking to if only a snap shot. Imagine talking to someone on the other side of the country and then 15 seconds later seeing what they look like. By modern standards that's not very impressive, but back in the 80s and early 90s it would have blown people's minds.
I can't think of what "household" item would make for an effective gimbal, but as long as you can reproduce the gravity centering of this design, you can make it pretty much however you want out of whatever you want.