[tantalor]

Several mentions of "the automaton" but no idea what that is. It's a bit vague.

The photo of "the automaton" appears to be a melamine white particleboard panel.

https://www.linusakesson.net/music/bolero/boxes-large.jpg

[Sharlin]

It's the "percussion section" https://linusakesson.net/music/bolero/automaton-large.jpg