It does appear to be a harp. It's a strange shape for it to take. I'm curious how they utilized it in the past. Of course, the acronym has to stand for something and I have a feeling it isn't a pleasant one.

[ He pauses a moment before touching anything. If there's anything he knows best, it's not to touch things that they have little or no clues on. ]

We should be careful with everything here. We do not know what any of it is dangerous. We should try to gather more information in this room before we decide to do anything.