A historic USSR jigsaw.

With all the many gadgets and instruction manuals. It will certainly be useful for some expert. If needed, it can also be fixed stationary to the table. A drill is needed, which can be connected to the jigsaw control. Most people today have not seen such a wonder. It hasn't been used, just moved from one shelf to another. But it knows its job and performs it. Perhaps it will be useful to someone as an exhibit from previous civilizations.