[NJARC] What is this?

[uv_201a@yahoo.com]

Hello it is a roller inductor like you would see in an antenna tuner 
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------ Original message------From: Sal Brisindi via NJARCDate: Sun, Jul 3, 2016 6:09 PMTo: Joe Giliberti;New Jersey Antique Radio Club;Subject:Re: [NJARC] What is this?
Looks like a variable resistor to me...From: Joe Giliberti
Sent: ‎7/‎3/‎2016 5:45 PM
To: New Jersey Antique Radio Club
Subject: [NJARC] What is this?

I picked this up at the Collingwood market yesterday. The seller looked at me and said 'you must be into old radios since you know what that is' I nodded my head and left. It looks like some kind of tuner but it's not an air cap. Almost looks like that was on my crystal radio kit when I was 8. Please enlighten me!
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