Quoted from jackd104:What is this warehouse find where this machine came from? Any links about this in general and other games found?
Several good threads on this on KLOV, though forum is down right now. In the interim:
https://www.flippers.com/TimeTravelWarehouse.html
https://arcadeblogger.com/2016/02/11/robotron-enter-the-time-machine/
(Hilariously(?) the one in the link above DID have the batteries removed or never installed.)