Pretty neat/heavy object, dont know what it is

[cjon455]

found this about 4 inches down, and have no idea what it is, im thinking part of some sort of level, it has alot of weight to it and is about the diameter of a nickel

 

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[taz42o]

Bulls eye level. Dont know what its from though.

 

[Broken knee]

I would say it's from a transit to level the base and legs? HH
Broken Knee