RainierView Loc: Eatonville, WA

I hope to find a museum like that.

I finally managed to remove the ring without breaking or cutting the bolt.

The square thing in the last photo looks like it might be a bolt head. Maybe the unit can separate if that's removed, but it is froze so tight I'm afraid if I put more pressure on it in might break. I'll soak it more and try again we get back from our trip. I wonder if heating it would help.

Even after loosening the bolt some, it still was hard to get the ring to come loose.

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It looks like the top cylinder could be removed to get inside

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dustie Loc: Nose to the grindstone

This is quite the interesting find. It may not be a stand-alone apparatus, but rather, a part of something more extensive.
Here are some observations of things that you can most likely check better by direct view than my viewing of photos can accomplish.

If this was used in the forming / manufacture or use / repair of something, the smooth shaft of the handle with the wooden grip is puzzling. Is there any difference on the surface of that shaft that is hidden in the photo?
If there is no eccentric or slotted or gripping surface on that shaft, it's tough to imagine what purpose it has in the slotted space.

It appears the screw at the arrow is smaller diameter thread than the square head (set screw, maybe? )


The screw at green arrow also seems like a set screw. Maybe it is to keep the screw at red arrow in place, preventing its rotating after it's been set to a particular depth?


Green: set screw that holds screw at red arrow? Blue: hole that had no screw, lined up directly with end of screw at red arrow? Yellow: wear marks?


Appears the slotted bar can move a bit in its mounting hole, with spring tension to keep it in contact with what sits in the slot channel.


Signs of wear at arrows? (In channel, looks like "wear mark?" runs full length. "Grooves" in channel don't seem machined, more contact wear marks? "Handle" would be rotated to support/guide what goes through channel?


The short "handles" seem more like adjustable travel limit stops for the handle with the wooden grip, as the short "handle" in this photo doesn't have clear range to rotate 360°.

RainierView Loc: Eatonville, WA

Thanks for your reply. Yes, I feel it has to be part of something. But what?

Interesting observations, it does look like a set screw to a bolt I haven't tried to loosen yet. I'll see if I can loosen that and anything else that looks like a set screw when we return from our trip.