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Author Topic: Any ideas on what this is?  (Read 1844 times)

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Offline Kainkelly

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Re: Any ideas on what this is?
« Reply #20 on: November 18, 2019, 12:57:39 AM »
Something used from a Musket as Ammo back in the Day,
Probably entered the tree first then sawn into a beam.
Always fun too investigate odd objects.
I was thinking the same thing, if you look at the bottom it looks almost as if it broke off of something.
It certainly is broken off, on three sides.  I don't understand this.
Any chance this beam could have been from a blacksmith, or any sort metal/machine shop? It's possible this is hardened steel that got stuck with a (most likely sledge hammer) that would also explain why it's broken on three sides if it came off a corner.

Offline Nomad

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Re: Any ideas on what this is?
« Reply #21 on: November 18, 2019, 05:29:07 AM »
It looks like a broken gear tooth to me.
     Not a round gear, but maybe part of a gear rack.  That's the best idea I've heard yet!  If it shattered, it could've hit the beam hard enough to embed itself.
Buying a hammer doesn't make you a carpenter
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Offline OldMasterTech

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Re: Any ideas on what this is?
« Reply #22 on: November 18, 2019, 08:31:04 AM »
Are you friendly with any local scrapyards? Take it to one with an alloy analyzer and ask to test it.

Do it while you're selling scrap or there will probably be a charge.
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Offline Nomad

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Re: Any ideas on what this is?
« Reply #23 on: November 18, 2019, 11:17:11 AM »
Are you friendly with any local scrapyards? Take it to one with an alloy analyzer and ask to test it.

Do it while you're selling scrap or there will probably be a charge.
Not a bad idea either.  Does it destroy the sample?  How big a sample do you need?
Buying a hammer doesn't make you a carpenter
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Offline kantuckid

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Re: Any ideas on what this is?
« Reply #24 on: November 23, 2019, 08:27:22 AM »
A magnet test would say more! If it's hard I really doubt even a frontiersman would have shot it in their prized possession rifle!!! My guess is a shot in the wind that it's a machinery fragment, best guess is part of a circle saw tooth locking part. 
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Offline TKehl

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Re: Any ideas on what this is?
« Reply #25 on: November 25, 2019, 08:55:29 AM »
Definitely try the magnet test.  That will tell a lot quick and easy.

I don't work in a scrap yard, but do run a metallurgy lab.  When asked how big, I show them a bit that is half the size of a BB and say that I can work with smaller, but it is fast and easy if it is at least that big. Then I can use the handheld gun instead of the scanning electron microscope. 

I doesn't harm the sample to take a surface reading.  You shoot it with some X-Rays and the meter looks for the energy decay signature to determine the element(s).  (I mostly work with alloys.)  Takes about 5 seconds for most metals.  If I have to grind/polish to get through rust, carbon, etc. to get to metal, that is the only harm done.
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Offline markdvsmo

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Re: Any ideas on what this is?
« Reply #26 on: November 25, 2019, 09:57:38 AM »
Meteorite!

(I'm only half kidding.  Could happen.)

Offline Nomad

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Re: Any ideas on what this is?
« Reply #27 on: November 25, 2019, 11:40:42 AM »
     One of the first things I did was check it with a very powerful magnet.  It is non-magnetic.  Sounds like it's plenty big enough to test it.  No way this thing was ever fired from a gun.  Much too hard, and the shape is all wrong. 
     Non-magnetic, barely reads on a metal detector, black, too hard to scratch with a file...  I'm wondering if it could be a piece of stone?  Shattered on three sides and the rest is a rounded surface, like the tooth of a gear.  Would be an oddly shaped stone, but possible I suppose.  Or maybe a piece of ceramic?  I'm mystified.
Buying a hammer doesn't make you a carpenter
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Offline Chuck White

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Re: Any ideas on what this is?
« Reply #28 on: November 25, 2019, 02:37:34 PM »
If the piece you were resawing had been in a welding shop or was loaded on a truck or trailer, it could possibly be a piece of welding slag!

When a welder was chipping away some of the slag, it could have launched some distance and then being hot, imbedded itself into the wood!

Just a little thinking "outside the box"!  ::)
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Offline Nomad

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Re: Any ideas on what this is?
« Reply #29 on: November 27, 2019, 12:15:01 PM »
Chuck, that's as good a theory as anything else I've heard, or come up with myself. :D
Buying a hammer doesn't make you a carpenter
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Lucas DSM

Offline Nomad

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Re: Any ideas on what this is?
« Reply #30 on: November 30, 2019, 05:01:06 AM »
    I believe I've figured it out. 8)  It is a piece of stone.  A piece of flat, water eroded stone like you'd skip across a creek or lake.  The profile matches perfectly.  How it got there?  I dunno.  Maybe the timber got dragged across some, or run over by a truck or something.  Need to find a mineralogist to verify that.
Buying a hammer doesn't make you a carpenter
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Offline Normang

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Re: Any ideas on what this is?
« Reply #31 on: December 01, 2019, 09:19:17 PM »
Roswell??

Offline Nomad

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Re: Any ideas on what this is?
« Reply #32 on: December 03, 2019, 08:04:48 AM »
Buying a hammer doesn't make you a carpenter
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