When my mother was 10 years old, my grandfather purchased a rotating tree stand. They don’t make them like this anymore. It’s sturdy cast aluminum with a brush contact for powering the lights, and strong enough to rotate a real tree. It ran for 56 years, but last year when I turned on the lights, it wouldn’t make a full rotation without throwing the house circuit breaker. Pictured below is my Karosel Model R-100-B manufactured by the Kresky Manufacturing Company.
I opened it up and performed an inspection: