Steel disc found on old trail up to a California mine

[Divalicious]

Found this disc detecting up an old trail to an old mine in California. Need help identifying.

Item is exactly 5 centimeters long, it is round and has a bowl shape to it. Not flat.

Could this be a part of a uniform or a saddle?

Thanks for any info. I can get better pictures tomorrow.

 

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[Divalicious]

Sorry about the pictures. Didn't know they were that big and that bad.

The disc also has a round marking on the top center about one and hald centimeters.

Thanks for looking.

 

[Bigcypresshunter]

Hurts my eyes. You get what you see on your camera screen. You need to look for a flower icon macro lens setting on your camera. We also have a test forum where you can practice resizing and reposting or just take another pic resize it and repost it.

Welcome to TN.

 

[Cappy Z.]

Hurts my eyes. You get what you see on your camera screen. You need to look for a flower icon macro lens setting on your camera. We also have a test forum where you can practice resizing and reposting or just take another pic resize it and repost it.

Welcome to TN.

"Hurts my eyes"

Mine too!

Anyway, boy am I dumb! Here's a historical tidbit about steel.

Some experts date steel manufacturing to 1,400 BC in Africa. The Chinese
used steel, as far back as 200 BC, to successfully manufacture
weapons. However, these were primitive steel making ages.
It wasn't until the 1600s that steel making became a large scale
operation.

I actually believed steel was invented in the 19th century! Learn something everyday!

 

[Divalicious]

Ok, my husband was able to get me some better pictures.

Thanks for looking.

 

[Tony in SC]

Could be an early freeze plug from engine or pump used at the mine?? Tony

 

[Divalicious]

We thought the same thing, however, there is no shoulder to create a seal. I believe a freeze plug is out.

Bearing cap maybe?

 

[Bigcypresshunter]

We thought the same thing, however, there is no shoulder to create a seal. I believe a freeze plug is out.

Bearing cap maybe?

They dont all have shoulders. http://forum.treasurenet.com/index.php/topic,291889.0.html

 

[traderoftreasures]

it looks like top of a intake or exhaust valve

 

[Kieth-Tx]

Thought it was a freeze plug also but it looks more like a punch out though.

 

[Divalicious]

Sweet!! Thank you sooooooooo very much! Everyone here rocks

I DO learn something everyday.

I bet you the old freeze plugs without shoulders leaked alot. lol

I wonder what it came from if that is what it is.

Later that same trip we found this... do you think?? maybe it lost it's freeze plug??

 

[goldguru]

correctly installed No they never leak untill the coolant freeze's lol