What is this tool?

[Graysgarage]

I cleaned her up the best that I can!! I haven’t the slightest what it is.. I have google searched it with no luck… seems like something that’s used to center two points..

 

[bob15]

Adjustable scribe tool

 

[LXCam]

I’m with Bob

 

[pb014]

Also to measure between two points.

 

[RTM]

Something like this could be used as a story stick, to measure both diagonals of a shape to make sure it's square and not a parallelogram.

See here for more

Shop-made Pinch Rods | Popular Woodworking

One of the most accurate approaches for checking a case or other assembly for square is to compare the inside diagonal measurements for equidistance. The easiest way to do this is using pinch rods – a…

www.popularwoodworking.com

At least best I can see.

 

[Graysgarage]

Yea I figured… but so strange I couldn’t find anything on it.. bummer Bob for the win!