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Thread: Defence dept go/no go gauge?
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11th August 2019, 05:32 PM #1SENIOR MEMBER
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Defence dept go/no go gauge?
I came across this item amongst my late grandfather's stuff. My best guess is that it is a go/no go gauge. I have no idea what it was used for.
I was about to throw it out but thought that there might be someone out there that would like it.
If you are that person let me know and it is yours.
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11th August 2019 05:32 PM # ADSGoogle Adsense Advertisement
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11th August 2019, 06:37 PM #2
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11th August 2019, 06:49 PM #3SENIOR MEMBER
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The gap is just over 86mm, the horns are 9mm
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11th August 2019, 08:57 PM #4GOLD MEMBER
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The measurements will make more sense in imperial I reckon.
CHRIS
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11th August 2019, 10:41 PM #5Taking a break
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3 13/32" is roughly 86.52mm if that helps
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11th August 2019, 10:53 PM #6
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12th August 2019, 09:51 AM #7
That is a tool that seems to have fallen out of favour with wood workers these days, perhaps the result of less repetitive manufacturing. I make some simple gauges or set an old vernier as a go, no-go gauge. The actual measurement isn't so important but the fit of one item to another is.
Mobyturns
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12th August 2019, 10:05 AM #8SENIOR MEMBER
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Dimensions in imperial
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12th August 2019, 01:11 PM #9
I really don’t think it’s a go/no-go gauge; the manufacturing is too... well, wrong. It’s a piece of pressed steel so it couldn’t be used on anything precise, plus it has been given a polished nickel plated finish, totally unnecessary for a gauge.
I think the mirror-like finish is the key to its purpose, perhaps it’s a reflective bore sight for an artillery piece? I know I’ve seen something similar on warships but can’t think what it was.Nothing succeeds like a budgie without a beak.
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12th August 2019, 01:29 PM #10
Ok. Pulling this one completely out of nowhere.
Was your grand-dad in the infantry or did he have something to do with shooting as a sport later on?
I believe the Australian army used .303 for rifles and according to wiki, .30 calibre was introduced into commonwealth use around 1940. The bullets measurements seem to be within a foofteenth of each other , except the length of the 303 is 78mm and the 30-06 is 85 mm (from wiki).
Could it be a length guage for .30 calibre bullets to differentiate them from .303 bullets?
Regards
SWK
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12th August 2019, 02:48 PM #11GOLD MEMBER
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An Australian military history site may have the answer.
CHRIS
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12th August 2019, 03:38 PM #12SENIOR MEMBER
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Thanks SWK, my gf was never in the military or involved in shooting to the best of my knowledge
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