Board with metal calipers

What is it or Wazzit? Have a mystery item you want help figuring out its use. . . this is the place to ask.

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Scrivet
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Board with metal calipers

Postby Scrivet » Tue Sep 04, 2018 7:39 am

Looks factory made to me. The markings are inch markings that start at the pivot for the metal caliper looking things. Overall about 6 feet long. Seems like I have seen one before in a whazzit, don't remember where, or when, or what it was, or if it was even identified. So trying the forum braintrust to help me out.
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Jim Becker
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Re: Board with metal calipers

Postby Jim Becker » Tue Sep 04, 2018 11:14 am

I think it is a tool used in high schools to illustrate mathematical principles.
http://kmr.nada.kth.se/VML/Matematik-in ... ines-2.jpg

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Re: Board with metal calipers

Postby Urbish » Tue Sep 04, 2018 12:48 pm

I wonder if it's a railroad track gauge/level. Hmm...
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Re: Board with metal calipers

Postby Jeff Silvey » Tue Sep 04, 2018 9:56 pm

Urbish wrote:I wonder if it's a railroad track gauge/level. Hmm...


My thoughts as well.
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Re: Board with metal calipers

Postby Scrivet » Mon Sep 10, 2018 9:19 pm

OK, a little update, still don't know what it is. While the same general shape as a track gauge/level it doesn't come close in specifics or actual operating parts to any that I can find online.

I sent a picture and description off to Midwest Tool Collectors and their "Question for What's It Committee" inquiry. I got a rather impressively quick reply
"Wow, that's a tough one, I have not seen a device like this before. I'll show it to some people to see what they think and will let you know if I hear anything...."

This is in the collection of the local Historical Society that I am a member of. Found it cleaning out/straightening up a shed. We will be having a large gathering in less than a month so I will either have this thing on display with an identifying label on it or a giant "What's It" sign. I'm thinking somebody coming oughta know what it is if we don't find out before then.


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