Unusual 19thc marked brass handle for what?

[mangum]

Hello all! Found this in Charleston SC this weekend at a colonial site. It's marked Hayden ------? & Co New York. Anyone have any ideas what it is off of? From the looks of it I believe it's early to mid 1800s. As always I appreciate the help! Thanks for looking & HH!

 

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[Confederate Sailor]

Hope this helps: Hayden, Gere & co., brass founders, and manufacturers of every variety of brass work, for plumbers, steam engine builders, machinists, gas and steam fitters, &c., dealers in plumbing materials. The company formed in 1855.

 

[mangum]

Hope this helps: Hayden, Gere & co., brass founders, and manufacturers of every variety of brass work, for plumbers, steam engine builders, machinists, gas and steam fitters, &c., dealers in plumbing materials. The company formed in 1855.

Thanks! That does help