OK, Let's Play "What is it?"

For setting out fences - get your posts inline

it is US $79.00 with free shipping from Browerville, Minnesota, United States, Ships to: Worldwide

next

like a plumbob string, but with a scope...

Nate The Surveyor, post: 443140, member: 291 wrote:

Now, I am NOT setting you up. So, in the name of full disclosure, here is the EBAY ad it came from:
http://www.ebay.com/itm/F8-RARE-antique-surveyor-tool-vintage-Grossmann-Tru-line-Scope-St-Paul-Minn-/291388134144

And, I have no good ideas what it is. (I do have some bad ones...)

But, what is it?

Thanks!

N

P.O.S.

Point Of Sale.
Positively Outstanding Service
Parent Over Shoulder
Pick Out Shrapnel
Pig Out Susan

Don't know.

Version 2?

https://www.worthpoint.com/worthopedia/vintage-grossmann-tru-line-surveyors-1803153325

I can remember carrying a magnifying glass to read the "A" & "B" verniers.

Paul in PA

Paul in PA, post: 443153, member: 236 wrote: I can remember carrying a magnifying glass to read the "A" & "B" verniers.

Paul in PA

Could be. And the string is to hang it around your neck.

hand level

Iceman, post: 443195, member: 579 wrote: hand level

that is probably the best guess yet.

AA Grossmann St. Paul Mn. there are other hand levels out there with his stamp on them, just google it....

.

Peter Ehlert, post: 443207, member: 60 wrote: that is probably the best guess yet.

With name like Tru Line, I'm thinking line.

Fence, chaining, clearing, setting trav points. This version even had a secondary site over the top:
https://www.worthpoint.com/worthopedia/vintage-grossmann-tru-line-surveyors-1803153325

The appendage on the top likely encloses a short level vial; there will be a mirror inside the scope to read it. I would think it to be too short to be useful.

I found a link on another one that speaks to stadia - I figure it was a tool for leveling, so you can keep your FS / BS the same