Tool Talk

What's-It Forum => What's-It Forum => Topic started by: lebaron on October 02, 2018, 11:30:24 AM

Title: Need help to identify old outside calipers
Post by: lebaron on October 02, 2018, 11:30:24 AM

One is 14" the other 6". There are no markings on either of them. Any help for who made them is appreciated. I don't understand something made that nice has no makers mark.

Title: Re: Need help to identify old outside calipers
Post by: gibsontool on October 02, 2018, 02:17:07 PM

No idea who made them, but they do look to be well buit. Is that a washer under the wing nut or is that shoulder part of the nut.

Title: Re: Need help to identify old outside calipers
Post by: lebaron on October 02, 2018, 06:26:53 PM

They both have washers under the wing nut.

Title: Re: Need help to identify old outside calipers
Post by: wvtools on October 03, 2018, 09:21:01 PM

I flipped through 851 pages of Cope's machinist tool books, and the closest things I could find are a set of calipers made by Monroe Brothers, Fitchburg, MA, circa 1870, and a caliper patented by W. H. MIner, Oct. 14, 1873, #143584.  I think they may be a real nice user made calipers.

Title: Re: Need help to identify old outside calipers
Post by: lebaron on October 04, 2018, 09:50:04 AM

Thanks WV for you time reserching this. The Miner ones look the most similer. From where I got these the era lines up. These appear high quality and very well made. Again thanks for your time and knowledge.

Title: Re: Need help to identify old outside calipers
Post by: wvtools on October 05, 2018, 07:46:54 AM

A lot of machinist tools are stamped very lightly.  Did you look it over read good with a magnifying glass for a patent date?

Title: Re: Need help to identify old outside calipers
Post by: lebaron on October 05, 2018, 08:04:29 AM

Went over them inch by inch with magnifying glass. No signs of anything.