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What is this thing? A Mystery Measuring Gauge

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Forum topic by CueballRosendaul posted 703 days ago 1330 views 0 times favorited 32 replies Add to Favorites Watch
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CueballRosendaul

300 posts in 775 days


703 days ago

I don’t remember where I picked up this little thing, but it’s been in the bottom of my toolbox beckoning me to figure it out. It’s a little over 4” long, solid brass with a steel slot gauge. The numbered notches don’t correspond to either fractions of an inch or metric scales. The slot marked 1 is about 3/64”. I thought maybe a wire gauge, but a #12 wire fits into slot 7 or 8 perfectly. The numbers on the center slot are opposite, where the slot gets smaller as the number gets larger. There is a funky Asian looking symbol on the reverse side. Any ideas?

-- Matt CueBall Rosendaul. I don't think I've ever had a cup of coffee that didn't have cat hair or sawdust in it.


32 replies so far

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CueballRosendaul

300 posts in 775 days


#1 posted 703 days ago

Hmm, looks like when I upload to photobucket I should shrink and crop my own pics, they don’t do a very accurate job of it. You get the idea however.

-- Matt CueBall Rosendaul. I don't think I've ever had a cup of coffee that didn't have cat hair or sawdust in it.

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Loren

7456 posts in 2282 days


#2 posted 703 days ago

Perhaps something to do with typesetting.

-- http://lawoodworking.com

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cutmantom

274 posts in 1669 days


#3 posted 703 days ago

my guess is for measuring sheet metal in units of “Gauge”, the center part could be for wire, put it in the top hole and slide down till it stops and read the measurment

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Charlie

1008 posts in 921 days


#4 posted 703 days ago

the numbers are going in the wrong direction to measure gauge. 18 gauge sheet metal is THICKER than 24 gauge. Same with wire. 8 gauge wire is thicker than 18 gauge.

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mtenterprises

818 posts in 1327 days


#5 posted 703 days ago

This is kind of a shot in the dark but to me it looks like a pin gage that would be used by a locksmith to measure the pins used in a lock. But the numbers don’t corrispond with lock pins unless there was at one time a different numbering method. Even that thin tapered slot in the center could have been used to measure the thin “master pins”. Would really like to see some better pictures.
MIKE

-- See pictures on Flickr - http://www.flickr.com/photos/44216106@N07/ And visit my Facebook page - facebook.com/MTEnterprises

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CueballRosendaul

300 posts in 775 days


#6 posted 703 days ago

I’ll try to upload a short video tomorrow.

-- Matt CueBall Rosendaul. I don't think I've ever had a cup of coffee that didn't have cat hair or sawdust in it.

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OnlyJustME

1562 posts in 1011 days


#7 posted 702 days ago

Could it be to measure what size drill bit you need to use to tap a hole? I think when i’ve purchased a tap and bit set before the bit was numbered instead of an actual size like 1/8.

-- In the end, when your life flashes before your eyes, will you like what you see?

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Annaa

5 posts in 719 days


#8 posted 702 days ago

I’ve no idea about it.Perhaps it’s a kind of measuring tools.

-- Orange 50-60# GTX 31" draw speaker tripod http://www.sencart.com/pair-professional-speaker-stands-tripod-heavy-duty-new_p51530.html

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bluekingfisher

1011 posts in 1614 days


#9 posted 702 days ago

Its a hair comb for folks with very thick hair ;-)

-- No one plans to fail, they just, just fail to plan

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CueballRosendaul

300 posts in 775 days


#10 posted 702 days ago

Here’s a video.

-- Matt CueBall Rosendaul. I don't think I've ever had a cup of coffee that didn't have cat hair or sawdust in it.

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CueballRosendaul

300 posts in 775 days


#11 posted 702 days ago

the numbers are unevenly spaced and some are heavier than others, which leads me to believe they were struck by hand with a punch. The notches are also not completely uniform in shape and appear to have been cut with a file. Perhaps its an ancient Chinese secret.

-- Matt CueBall Rosendaul. I don't think I've ever had a cup of coffee that didn't have cat hair or sawdust in it.

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Gshepherd

1466 posts in 836 days


#12 posted 702 days ago

Is it a old Thread guage? Does the sizes seems to be the same in groups of 3…...

-- What we do in life will Echo through Eternity........

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Roger

14410 posts in 1439 days


#13 posted 702 days ago

I have no idea… lol

-- Roger from KY. Work/Play/Travel Safe. Kentuk55@bellsouth.net

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CueballRosendaul

300 posts in 775 days


#14 posted 702 days ago

not a thread gauge as far as I can tell. Not in groups of three either. The number 2 slot is not twice as large as the number one. Each slot is slightly larger than the next, but only by a couple thousandths.

If the crowns between the grooves were pointy it’d make a dandy beard comb.

-- Matt CueBall Rosendaul. I don't think I've ever had a cup of coffee that didn't have cat hair or sawdust in it.

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grfrazee

325 posts in 774 days


#15 posted 702 days ago

My initial thought is that it’s a thickness gauge. If you look at the #12, it looks to be about 7/64 (which is ~ 0.1094”), and 12ga steel is 0.1046”.

However, steel gets thicker as the gauge number get smaller, so that can’t be right.

Maybe it’s some old standard that was dropped when the metric system was adopted?

-- -=Pride is not a sin=-

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