Old gun part? Please help ID

[screwynewy]

I dug this at an early colonial settlement site this weekend. I also dug a 1732 KGII half penny about 5 feet from this part. I have no idea what it is but it is pretty heavy and is mostly brass with some rusted iron too. Anyone have an idea?

 

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[BosnMate]

It's not a gun part, but I have no idea other than that.

 

[nhbenz]

Commutator for a model T perhaps? Half way down the page here; Technical Data
Pictures of the actual item (rather than diagram) are easily googled.

 

[taz42o]

Usually called a roller timer.

 

[Gunrunner61]

yup, nhbenz and taz42o are correct, Sorry.........................HH

 

[screwynewy]

You guys are good. Thanks for the ID.

 

[BuckleBoy]

Now that's a fantastic ID! Great work, guys!

 

[kuger]

Man no kidding!!!Awesome ID!!!!!!