Author Topic: What is it? Odd Hole Gauge?  (Read 548 times)

j.a.f.e.

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What is it? Odd Hole Gauge?
« on: August 09, 2018, 07:13:35 PM »
Got this at the swap some time ago it was interesting and inexpensive. Actually I bought it in two rounds the vendor had the middle set as in the photo and the following swap he had the two smaller and two larger barrels. I think it's a bore gauge but it seems a bit awkward because it's a little on the large side. Or maybe it's an inspection gauge. It almost looks shop made but it's extremely well made and chrome plated so if it is someone went to a lot of trouble. There are no markings on any of it. Am I on the right track?







The internal threads are the section on the lower left and are 40TPI. The head has an index mark across the threads which is sort of visible in the image. The hollow ring holds the threaded section in place and the other ring locks the gauge.

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The threads just pop in and out of the different barrels.



The index mark on the ring.



Shortest possible.



Longest possible.



Barrel end.



Movable head end.



4GSR

Re: What is it? Odd Hole Gauge?
« Reply #1 on: August 09, 2018, 07:37:40 PM »
Look like very nicely home made machinists jacks.
Ken

j.a.f.e.

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Re: What is it? Odd Hole Gauge?
« Reply #2 on: August 09, 2018, 07:46:02 PM »
That's a possibility I never considered. Thanks for responding.

34_40

Re: What is it? Odd Hole Gauge?
« Reply #3 on: August 09, 2018, 07:55:22 PM »
I was thinking they were jacks also.
Clausing 108, Clausing 8520, Atlas Horizontal, Lincoln stick and mig welders

j.a.f.e.

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Re: What is it? Odd Hole Gauge?
« Reply #4 on: August 09, 2018, 09:21:12 PM »
Thank you. I took a closer look at the ends and I think you guys are right.


4GSR

Re: What is it? Odd Hole Gauge?
« Reply #5 on: August 09, 2018, 09:51:44 PM »
Good chance, these were made for a specific application, possibly use in a gage lab? 
tool room , maybe in a scientific lab.
Ken

j.a.f.e.

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Re: What is it? Odd Hole Gauge?
« Reply #6 on: August 09, 2018, 10:12:40 PM »
They came out of a guys estate sale. It's a bit of a puzzle but that's kinda fun too.

Carpenter84

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Re: What is it? Odd Hole Gauge?
« Reply #7 on: August 09, 2018, 10:24:46 PM »
Okay, you gotta get a close-up of the gnurling. It looks pretty damn good.
Shawn

First 9x42 column mill,
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j.a.f.e.

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Re: What is it? Odd Hole Gauge?
« Reply #8 on: August 09, 2018, 11:07:47 PM »

dlane

Re: What is it? Odd Hole Gauge?
« Reply #9 on: August 10, 2018, 12:41:49 AM »
U sure they didnít come out of a chicks estate sale , they look purple to me   ;D
They do look well made
Derrick

j.a.f.e.

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Re: What is it? Odd Hole Gauge?
« Reply #10 on: August 10, 2018, 12:55:08 AM »
Sometimes the pix come out a bit purple. Probably because of the green background.

Carpenter84

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Re: What is it? Odd Hole Gauge?
« Reply #11 on: August 10, 2018, 05:36:31 AM »
Sigh... I wish my girls were that perfect... Gnurls... GNURLS. 😬
Shawn

First 9x42 column mill,
Enterprise 10x28 lathe,
Ko Lee 6x12 surface grinder,
Airco dip/stick 160 welder,
Fully stocked wood shop.

chips and more

Re: What is it? Odd Hole Gauge?
« Reply #12 on: August 10, 2018, 08:47:18 AM »
The ends look domed. I donít think they are used like the jacks we are thinking of, familiar with.

j.a.f.e.

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Re: What is it? Odd Hole Gauge?
« Reply #13 on: August 10, 2018, 09:18:30 AM »
The ends are slightly crowned.

chips and more

Re: What is it? Odd Hole Gauge?
« Reply #14 on: August 10, 2018, 09:59:02 AM »
OK then. If nothing else, you could machine the ends flat and use them as jacks.