copper gear maybe

[Kudzu65]

Found on a civil war site. I thought it was a large cent but cleaned it up to find a hole so maybe a gear?
Any ideas what it would be part of?

 

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[cudamark]

I would say it's probably not a gear, due to the small size of the "teeth". More likely it was a wheel you turned by hand and the edge was cut like that to keep your fingers from slipping. Might have had a shaft pressed into the center. Hard to say what it might have turned.

 

[relic nut]

Maybe from a lantern

 

[civil_war22]

I think relic nut is right. A wick adjuster

 

[Tony in SC]

How thick is it. Looks like a knob from a needle valve on a tractor/hit miss engine.

 

[Anduril]

Maybe a materials guide for rolling stock (paper or fabric).
I've seen plastic ones on older dot-matrix printers to keep the paper aligned to the platen.

Maybe from a typewriter?

Is the hole in the center threaded or smooth?
And how thick is the piece?

 

[Kudzu65]

It is slightly thicker than a large cent. Very sturdy. I am guessing yall are on to something about being a knob or turner for something. A lantern would make perfect sense I will do some checking on those. Not sure about the tractor valve knob. Plenty of farming in the area so certainly a possibility but not sure how to look that one up. Thanks for the suggestions.

 

[Joe-Dirt]

Maybe guts to a clock?

 

[tamrock]

Maybe guts to a clock?

I'm thinking maybe the fine meter gears that drive the register dial on an old water meter.

 

[bradyboy]

maybe simple washers?
used to roof instillation >

 

[TheCannonballGuy]

I have to say, I've never seen a lamp wick-adjuster disc that's the same diameter and thickness as a US 50-cent coin. (Note the US penny in the photo, for size-scale.) But I do not believe I've seen everything, so perhaps such a thing does exist.

I do agree that the "knurling" on its edge suggests it is an adjuster-wheel of some type.

 

[Erndog]

Possibly a discarded cutting wheel for a Dremel Tool.