What the heck is this?

[Strato]

Looks like a pre 80's automatic post deleter.

You mean when the internet was on paper?

 

[DavidA]

I would vote for either a saw blade sharpener or a saw tooth setter. I have something similar, but larger, that uses a triangular "rat tailed" file and it holds and sharpens circular saw blades.

 

[JcMack]

Looks like a pre 80's automatic post deleter.

From an Arlo Guthry song I believe: I don't want a pickle, I just want a Mod to tickle.